Bump stefanzweifel/git-auto-commit-action from 4 to 5 (FreeTubeApp#4124)

Bumps [stefanzweifel/git-auto-commit-action](https://github.com/stefanzweifel/git-auto-commit-action) from 4 to 5.
- [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@v4...v5)

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

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

.github/workflows/flatpak.yml

@@ -103,7 +103,7 @@ jobs:
         rm freetube-${{ steps.sub.outputs.result }}-linux-portable-x64.zip
         rm freetube-${{ steps.sub.outputs.result }}-linux-portable-arm64.zip
     - name: Commit Files
-      uses: stefanzweifel/git-auto-commit-action@v4
+      uses: stefanzweifel/git-auto-commit-action@v5
       with:
         # Optional but recommended
         # Defaults to "Apply automatic changes"