build(deps): bump pypdf from 6.4.0 to 6.6.0 in /testing/cucumber (#5422)

Bumps [pypdf](https://github.com/py-pdf/pypdf) from 6.4.0 to 6.6.0.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/py-pdf/pypdf/releases">pypdf's
releases</a>.</em></p>
<blockquote>
<h2>Version 6.6.0, 2026-01-09</h2>
<h2>What's new</h2>
<h3>Security (SEC)</h3>
<ul>
<li>Improve handling of partially broken PDF files (<a
href="https://redirect.github.com/py-pdf/pypdf/issues/3594">#3594</a>)
by <a
href="https://github.com/stefan6419846"><code>@​stefan6419846</code></a></li>
</ul>
<h3>Deprecations (DEP)</h3>
<ul>
<li>Block common page content modifications when assigned to reader (<a
href="https://redirect.github.com/py-pdf/pypdf/issues/3582">#3582</a>)
by <a
href="https://github.com/stefan6419846"><code>@​stefan6419846</code></a></li>
</ul>
<h3>New Features (ENH)</h3>
<ul>
<li>Embellishments to generated text appearance streams (<a
href="https://redirect.github.com/py-pdf/pypdf/issues/3571">#3571</a>)
by <a href="https://github.com/PJBrs"><code>@​PJBrs</code></a></li>
</ul>
<h3>Bug Fixes (BUG)</h3>
<ul>
<li>Do not consider multi-byte BOM-like sequences as BOMs (<a
href="https://redirect.github.com/py-pdf/pypdf/issues/3589">#3589</a>)
by <a
href="https://github.com/stefan6419846"><code>@​stefan6419846</code></a></li>
</ul>
<h3>Robustness (ROB)</h3>
<ul>
<li>Avoid empty FlateDecode outputs without warning (<a
href="https://redirect.github.com/py-pdf/pypdf/issues/3579">#3579</a>)
by <a
href="https://github.com/stefan6419846"><code>@​stefan6419846</code></a></li>
</ul>
<h3>Documentation (DOC)</h3>
<ul>
<li>Add outlines documentation and link it in User Guide (<a
href="https://redirect.github.com/py-pdf/pypdf/issues/3511">#3511</a>)
by <a
href="https://github.com/mainuddin-md"><code>@​mainuddin-md</code></a></li>
</ul>
<h3>Developer Experience (DEV)</h3>
<ul>
<li>Add PyPy 3.11 to test matrix and benchmarks (<a
href="https://redirect.github.com/py-pdf/pypdf/issues/3574">#3574</a>)
by <a href="https://github.com/rassie"><code>@​rassie</code></a></li>
</ul>
<h3>Maintenance (MAINT)</h3>
<ul>
<li>Fix compatibility with Pillow &gt;= 12.1.0 (<a
href="https://redirect.github.com/py-pdf/pypdf/issues/3590">#3590</a>)
by <a
href="https://github.com/stefan6419846"><code>@​stefan6419846</code></a></li>
</ul>
<p><a href="https://github.com/py-pdf/pypdf/compare/6.5.0...6.6.0">Full
Changelog</a></p>
<h2>Version 6.5.0, 2025-12-21</h2>
<h2>What's new</h2>
<h3>New Features (ENH)</h3>
<ul>
<li>Limit jbig2dec memory usage (<a
href="https://redirect.github.com/py-pdf/pypdf/issues/3576">#3576</a>)
by <a
href="https://github.com/stefan6419846"><code>@​stefan6419846</code></a></li>
<li>FontDescriptor: Initiate from embedded font resource (<a
href="https://redirect.github.com/py-pdf/pypdf/issues/3551">#3551</a>)
by <a href="https://github.com/PJBrs"><code>@​PJBrs</code></a></li>
</ul>
<h3>Robustness (ROB)</h3>
<ul>
<li>Allow fallback to PBM files for jbig2dec without PNG support (<a
href="https://redirect.github.com/py-pdf/pypdf/issues/3567">#3567</a>)
by <a
href="https://github.com/stefan6419846"><code>@​stefan6419846</code></a></li>
<li>Use warning instead of error for early EOD for RunLengthDecode (<a
href="https://redirect.github.com/py-pdf/pypdf/issues/3548">#3548</a>)
by <a
href="https://github.com/stefan6419846"><code>@​stefan6419846</code></a></li>
</ul>
<h3>Developer Experience (DEV)</h3>
<ul>
<li>Test with macOS as well (<a
href="https://redirect.github.com/py-pdf/pypdf/issues/3401">#3401</a>)
by <a
href="https://github.com/stefan6419846"><code>@​stefan6419846</code></a></li>
</ul>
<p><a href="https://github.com/py-pdf/pypdf/compare/6.4.2...6.5.0">Full
Changelog</a></p>
<h2>Version 6.4.2, 2025-12-14</h2>
<h2>What's new</h2>
<h3>Bug Fixes (BUG)</h3>
<ul>
<li>Fix KeyError when flattening form field without /Font in resources
(<a
href="https://redirect.github.com/py-pdf/pypdf/issues/3554">#3554</a>)
by <a
href="https://github.com/jgillard"><code>@​jgillard</code></a></li>
</ul>
<!-- raw HTML omitted -->
</blockquote>
<p>... (truncated)</p>
</details>
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a
href="https://github.com/py-pdf/pypdf/blob/main/CHANGELOG.md">pypdf's
changelog</a>.</em></p>
<blockquote>
<h2>Version 6.6.0, 2026-01-09</h2>
<h3>Security (SEC)</h3>
<ul>
<li>Improve handling of partially broken PDF files (<a
href="https://redirect.github.com/py-pdf/pypdf/issues/3594">#3594</a>)</li>
</ul>
<h3>Deprecations (DEP)</h3>
<ul>
<li>Block common page content modifications when assigned to reader (<a
href="https://redirect.github.com/py-pdf/pypdf/issues/3582">#3582</a>)</li>
</ul>
<h3>New Features (ENH)</h3>
<ul>
<li>Embellishments to generated text appearance streams (<a
href="https://redirect.github.com/py-pdf/pypdf/issues/3571">#3571</a>)</li>
</ul>
<h3>Bug Fixes (BUG)</h3>
<ul>
<li>Do not consider multi-byte BOM-like sequences as BOMs (<a
href="https://redirect.github.com/py-pdf/pypdf/issues/3589">#3589</a>)</li>
</ul>
<h3>Robustness (ROB)</h3>
<ul>
<li>Avoid empty FlateDecode outputs without warning (<a
href="https://redirect.github.com/py-pdf/pypdf/issues/3579">#3579</a>)</li>
</ul>
<h3>Documentation (DOC)</h3>
<ul>
<li>Add outlines documentation and link it in User Guide (<a
href="https://redirect.github.com/py-pdf/pypdf/issues/3511">#3511</a>)</li>
</ul>
<h3>Developer Experience (DEV)</h3>
<ul>
<li>Add PyPy 3.11 to test matrix and benchmarks (<a
href="https://redirect.github.com/py-pdf/pypdf/issues/3574">#3574</a>)</li>
</ul>
<h3>Maintenance (MAINT)</h3>
<ul>
<li>Fix compatibility with Pillow &gt;= 12.1.0 (<a
href="https://redirect.github.com/py-pdf/pypdf/issues/3590">#3590</a>)</li>
</ul>
<p><a href="https://github.com/py-pdf/pypdf/compare/6.5.0...6.6.0">Full
Changelog</a></p>
<h2>Version 6.5.0, 2025-12-21</h2>
<h3>New Features (ENH)</h3>
<ul>
<li>Limit jbig2dec memory usage (<a
href="https://redirect.github.com/py-pdf/pypdf/issues/3576">#3576</a>)</li>
<li>FontDescriptor: Initiate from embedded font resource (<a
href="https://redirect.github.com/py-pdf/pypdf/issues/3551">#3551</a>)</li>
</ul>
<h3>Robustness (ROB)</h3>
<ul>
<li>Allow fallback to PBM files for jbig2dec without PNG support (<a
href="https://redirect.github.com/py-pdf/pypdf/issues/3567">#3567</a>)</li>
<li>Use warning instead of error for early EOD for RunLengthDecode (<a
href="https://redirect.github.com/py-pdf/pypdf/issues/3548">#3548</a>)</li>
</ul>
<h3>Developer Experience (DEV)</h3>
<ul>
<li>Test with macOS as well (<a
href="https://redirect.github.com/py-pdf/pypdf/issues/3401">#3401</a>)</li>
</ul>
<p><a href="https://github.com/py-pdf/pypdf/compare/6.4.2...6.5.0">Full
Changelog</a></p>
<h2>Version 6.4.2, 2025-12-14</h2>
<h3>Bug Fixes (BUG)</h3>
<ul>
<li>Fix KeyError when flattening form field without /Font in resources
(<a
href="https://redirect.github.com/py-pdf/pypdf/issues/3554">#3554</a>)</li>
</ul>
<h3>Robustness (ROB)</h3>
<ul>
<li>Allow deleting non-existent annotations (<a
href="https://redirect.github.com/py-pdf/pypdf/issues/3559">#3559</a>)</li>
</ul>
<!-- raw HTML omitted -->
</blockquote>
<p>... (truncated)</p>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="10df9c72fa"><code>10df9c7</code></a>
REL: 6.6.0</li>
<li><a
href="294165726b"><code>2941657</code></a>
SEC: Improve handling of partially broken PDF files (<a
href="https://redirect.github.com/py-pdf/pypdf/issues/3594">#3594</a>)</li>
<li><a
href="712688005e"><code>7126880</code></a>
DEV: Update to urllib3 2.6.3 (<a
href="https://redirect.github.com/py-pdf/pypdf/issues/3593">#3593</a>)</li>
<li><a
href="f189f0755e"><code>f189f07</code></a>
DOC: Add outlines documentation and link it in User Guide (<a
href="https://redirect.github.com/py-pdf/pypdf/issues/3511">#3511</a>)</li>
<li><a
href="a29e5326f5"><code>a29e532</code></a>
BUG: Do not consider multi-byte BOM-like sequences as BOMs (<a
href="https://redirect.github.com/py-pdf/pypdf/issues/3589">#3589</a>)</li>
<li><a
href="d9ce594772"><code>d9ce594</code></a>
MAINT: Converge on one shared Font class for text extraction and
appearance s...</li>
<li><a
href="a65708c778"><code>a65708c</code></a>
DEV: Check for JavaScript library updates on GitHub Pages (<a
href="https://redirect.github.com/py-pdf/pypdf/issues/3592">#3592</a>)</li>
<li><a
href="6951bb7c03"><code>6951bb7</code></a>
MAINT: Fix compatibility with Pillow &gt;= 12.1.0 (<a
href="https://redirect.github.com/py-pdf/pypdf/issues/3590">#3590</a>)</li>
<li><a
href="97d47a001d"><code>97d47a0</code></a>
TST: Improve test coverage (<a
href="https://redirect.github.com/py-pdf/pypdf/issues/3584">#3584</a>)</li>
<li><a
href="bda80a4846"><code>bda80a4</code></a>
DEV: Add PyPy 3.11 to test matrix and benchmarks (<a
href="https://redirect.github.com/py-pdf/pypdf/issues/3574">#3574</a>)</li>
<li>Additional commits viewable in <a
href="https://github.com/py-pdf/pypdf/compare/6.4.0...6.6.0">compare
view</a></li>
</ul>
</details>
<br />


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testing/cucumber/requirements.txt

@@ -7,7 +7,7 @@
 behave==1.3.3 \
     --hash=sha256:2b8f4b64ed2ea756a5a2a73e23defc1c4631e9e724c499e46661778453ebaf51 \
     --hash=sha256:89bdb62af8fb9f147ce245736a5de69f025e5edfb66f1fbe16c5007493f842c0
-    # via -r testing/cucumber/requirements.in
+    # via -r requirements.in
 certifi==2025.11.12 \
     --hash=sha256:97de8790030bbd5c2d96b7ec782fc2f7820ef8dba6db909ccf95449f2d062d4b \
     --hash=sha256:d8ab5478f2ecd78af242878415affce761ca6bc54a22a27e026d7c25357c3316
@@ -290,15 +290,15 @@ pycryptodome==3.23.0 \
     --hash=sha256:dea827b4d55ee390dc89b2afe5927d4308a8b538ae91d9c6f7a5090f397af1aa \
     --hash=sha256:e3f2d0aaf8080bda0587d58fc9fe4766e012441e2eed4269a77de6aea981c8be \
     --hash=sha256:eb8f24adb74984aa0e5d07a2368ad95276cf38051fe2dc6605cbcf482e04f2a7
-    # via -r testing/cucumber/requirements.in
-pypdf==6.4.0 \
-    --hash=sha256:4769d471f8ddc3341193ecc5d6560fa44cf8cd0abfabf21af4e195cc0c224072 \
-    --hash=sha256:55ab9837ed97fd7fcc5c131d52fcc2223bc5c6b8a1488bbf7c0e27f1f0023a79
-    # via -r testing/cucumber/requirements.in
+    # via -r requirements.in
+pypdf==6.6.0 \
+    --hash=sha256:4c887ef2ea38d86faded61141995a3c7d068c9d6ae8477be7ae5de8a8e16592f \
+    --hash=sha256:bca9091ef6de36c7b1a81e09327c554b7ce51e88dad68f5890c2b4a4417f1fd7
+    # via -r requirements.in
 reportlab==4.4.5 \
     --hash=sha256:0457d642aa76df7b36b0235349904c58d8f9c606a872456ed04436aafadc1510 \
     --hash=sha256:849773d7cd5dde2072fedbac18c8bc909506c8befba8f088ba7b09243c6684cc
-    # via -r testing/cucumber/requirements.in
+    # via -r requirements.in
 requests==2.32.5 \
     --hash=sha256:2462f94637a34fd532264295e186976db0f5d453d1cdd31473c85a6a161affb6 \
     --hash=sha256:dbba0bac56e100853db0ea71b82b4dfd5fe2bf6d3754a8893c3af500cec7d7cf