Bump github/super-linter from 4.8.7 to 4.9.0

Author: dependabot[bot]

.github/workflows/tests.yml

@@ -109,7 +109,7 @@ jobs:
         steps:
             - uses: actions/checkout@v2
 
-            - uses: github/super-linter/slim@v4.8.7
+            - uses: github/super-linter/slim@v4.9.0
               env:
                   DEFAULT_BRANCH: main
                   GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}