feat(jsr): create a publish workflow to automate new releases

[nberlette]

• run ci/cd steps to ensure code quality
• generate documentation (html, with deno doc)
• run tests and generate coverage report (html)
• auto-bump version based on commit messages
• commit, tag, push to a release branch
• open a pull request with auto-generated release notes
• append auto-generated release notes to changelog
• auto merge into main if possible
• trigger jsr publish upon merging/tagging new version
• create a github release for the new tag, including bundled distributables