Update stefanzweifel/git-auto-commit-action action to v7 (#129)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/lint.yml

@@ -32,6 +32,6 @@ jobs:
           run: ruff check --output-format=github . --fix
 
         - name: "Auto Commit"
-          uses: stefanzweifel/git-auto-commit-action@778341af668090896ca464160c2def5d1d1a3eb0 # v6.0.1
+          uses: stefanzweifel/git-auto-commit-action@28e16e81777b558cc906c8750092100bbb34c5e3 # v7.0.0
           with:
             commit_message: 'style fixes by ruff'