pipefail linter error, syntax fix

tasks/setup-Debian.yml

@@ -23,11 +23,14 @@
   ignore_errors: "{{ docker_apt_ignore_key_error }}"
 
 - name: Ensure curl is present (on older systems without SNI).
-  package: name=curl state=present
+  package:
+    name: curl
+    state: present
   when: add_repository_key is failed
 
 - name: Add Docker apt key (alternative for older systems without SNI).
-  shell: >
+  shell: |
+    set -o pipefail
     curl -sSL {{ docker_apt_gpg_key }} | sudo apt-key add -
   args:
     warn: false