chore(deps) Update stefanzweifel/git-auto-commit-action action to v6

Author: renovate[bot]

.github/workflows/linter.yml

@@ -91,7 +91,7 @@ jobs:
                   env.APPLY_FIXES_MODE == 'commit' && github.ref != 'refs/heads/main' &&
                   (github.event_name == 'push' || github.event.pull_request.head.repo.full_name == github.repository) &&
                   !contains(github.event.head_commit.message, 'skip fix')
-              uses: stefanzweifel/git-auto-commit-action@b863ae1933cb653a53c021fe36dbb774e1fb9403 # v5
+              uses: stefanzweifel/git-auto-commit-action@778341af668090896ca464160c2def5d1d1a3eb0 # v6
               with:
                   branch: ${{ github.event.pull_request.head.ref || github.head_ref || github.ref }}
                   commit_message: "[MegaLinter] Apply linters fixes"