only update CHANGELOG for major/minor releases

Author: ezhang6811

.github/workflows/pre-release-prepare.yml

@@ -95,8 +95,8 @@ jobs:
           git push origin "v${VERSION}_release"
 
       - name: Update CHANGELOG for release
+        if: github.event.inputs.is_patch != 'true'
         run: |
-          # Replace "## Unreleased" with "## ${VERSION} - $(date +%Y-%m-%d)"
           sed -i "s/## Unreleased/## ${VERSION} - $(date +%Y-%m-%d)/" CHANGELOG.md
           git add CHANGELOG.md
           git commit -m "Update CHANGELOG for version ${VERSION}"
@@ -114,13 +114,12 @@ jobs:
                        --base release/v${MAJOR_MINOR}.x
 
       - name: Create pull request against main for CHANGELOG
+        if: github.event.inputs.is_patch != 'true'
         env:
           GITHUB_TOKEN: ${{ env.BOT_TOKEN_GITHUB_RW_PATOKEN }}
         run: |
-          # Create branch for main PR
           git checkout -b "v${VERSION}_changelog_main"
           
-          # Update CHANGELOG for main (keep Unreleased + add release entry)
           sed -i "s/## Unreleased/## Unreleased\n\n## ${VERSION} - $(date +%Y-%m-%d)/" CHANGELOG.md
           git add CHANGELOG.md
           git commit -m "Add ${VERSION} to CHANGELOG"