Checkout changelog from release branch into main

.github/workflows/publish-new-version.yaml

@@ -100,13 +100,15 @@ jobs:
         run: |
           jq --arg version "${{ github.event.inputs.version }}+main" '.version=$version' package.json > package.json.tmp
           mv package.json.tmp package.json
+      - name: checkout changelog from ${{ github.ref_name }}
+        run: git checkout origin/${{ github.ref_name }} -- CHANGELOG.md
       - name: lint
         run: |
           yarn install --frozen-lockfile --ignore-scripts
           yarn lint:fix
       - name: push changes
         run: |
-          git add package.json
+          git add package.json CHANGELOG.md
           git commit -m "chore: bump version to ${{ github.event.inputs.version }}+main"
           git push origin main