build(deps): bump stefanzweifel/git-auto-commit-action (#209)

Bumps [stefanzweifel/git-auto-commit-action](https://github.com/stefanzweifel/git-auto-commit-action) from 6.0.1 to 7.2.0.
- [Release notes](https://github.com/stefanzweifel/git-auto-commit-action/releases)
- [Changelog](https://github.com/stefanzweifel/git-auto-commit-action/blob/master/CHANGELOG.md)
- [Commits](stefanzweifel/git-auto-commit-action@v6.0.1...v7.2.0)

---
updated-dependencies:
- dependency-name: stefanzweifel/git-auto-commit-action
  dependency-version: 7.2.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/ci.yml

@@ -21,7 +21,7 @@ jobs:
       - name: Generate proposal listing
         run: scala-cli run bin/
 
-      - uses: stefanzweifel/git-auto-commit-action@v6.0.1
+      - uses: stefanzweifel/git-auto-commit-action@v7.2.0
         with:
           file_pattern: proposals/README.md
           commit_message: "auto update proposal listing"