include pyproject.toml in release preparation commit

Author: Yonghui-Lee

.github/release/prepare_release.py

@@ -166,7 +166,7 @@ def main():
         entries = get_changelog_entries(latest_tag)
         print(f"Found {len(entries)} changelog entries.")
 
-        # 4. Update the changelog file in place with the new release section
+        # 4a. Update the changelog file in place with the new release section
         update_changelog_file(changelog_path, next_version, entries)
 
         # 4b. Update the fsspec dependency in pyproject.toml to match the current month's release

.github/workflows/release-preparation.yml

@@ -38,7 +38,7 @@ jobs:
       - name: Create Branch and Commit
         run: |
           git checkout -b "$BRANCH_NAME"
-          git add docs/source/changelog.rst
+          git add docs/source/changelog.rst pyproject.toml
           git commit -m "chore: release $VERSION"
           git push --force origin "$BRANCH_NAME"