10.0-dev
Extract tools/lib/template_parser.py.
email_mirror: Change default topic name if subject ends up empty.
lint: Add .bash extension for tools/lib/git-tools.bash.
ruff: Fix UP006 Use `list` instead of `List` for type annotation.
ruff: Fix UP007 Use `X | Y` for type annotations.
ruff: Fix PLR1714 Consider merging multiple comparisons.
ruff: Fix UP035 Import from `collections.abc`, `typing` instead.