Replace peter-evans/create-pull-request with a Gitea API script that commits, pushes, and opens the deps update PR.
Co-authored-by: Cursor <cursoragent@cursor.com>
Add release and PR title checks, shared CI scripts, Gitea PR template, and align pyproject.toml to v0.3.1.
Co-authored-by: Cursor <cursoragent@cursor.com>