chore(deps): update stefanzweifel/git-auto-commit-action action to v7 (#577)

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

Author: renovate[bot]

.github/workflows/update-gradle-wrapper.yml

@@ -26,7 +26,7 @@ jobs:
           echo "latest_version=${latest}" >> $GITHUB_OUTPUT
           ./gradlew wrapper --gradle-version $latest
       - uses: gradle/actions/wrapper-validation@v4
-      - uses: stefanzweifel/git-auto-commit-action@v6
+      - uses: stefanzweifel/git-auto-commit-action@v7
         with:
           commit_message: Upgrade Gradle Wrapper to ${{ steps.update.outputs.latest_version }}
           commit_user_name: micronaut-build