chore(dependabot): bump stefanzweifel/git-auto-commit-action from 6 to 7

Bumps [stefanzweifel/git-auto-commit-action](https://github.com/stefanzweifel/git-auto-commit-action) from 6 to 7.
- [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...v7)

---
updated-dependencies:
- dependency-name: stefanzweifel/git-auto-commit-action
  dependency-version: '7'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/panvimdoc.yml

@@ -16,7 +16,7 @@ jobs:
           toc: true
           demojify: true
           treesitter: true
-      - uses: stefanzweifel/git-auto-commit-action@v6
+      - uses: stefanzweifel/git-auto-commit-action@v7
         with:
           commit_message: "chore: Auto generate docs"
           branch: ${{ github.head_ref }}