ci: integrate super-linter GitHub Actions workflow

- Add a GitHub Actions job that runs super-linter to validate code quality and linting across commits

Signed-off-by: appleboy <appleboy.tw@gmail.com>

Author: appleboy

.github/workflows/testing.yml

@@ -102,3 +102,25 @@ jobs:
           output: 'trivy-results.sarif'
           exit-code: '1'
           severity: 'CRITICAL,HIGH'
+
+  super-linter:
+    runs-on: ubuntu-latest
+    timeout-minutes: 60
+    permissions:
+      contents: read
+      packages: read
+      # To report GitHub Actions status checks
+      statuses: write
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          # super-linter needs the full git history to get the
+          # list of files that changed across commits
+          fetch-depth: 0
+      - name: "Super-linter"
+        uses: super-linter/super-linter/slim@v8.0.0
+        env:
+          # To report GitHub Actions status checks
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          DEFAULT_BRANCH: main
+          VALIDATE_BASH: true