Switch to Super-Linter v4

Switching because this bug will not be fixed in v3: https://github.com/github/super-linter/issues/2255
The v4 branch claims to be fully compatible with v3 setups

Author: Gehock

.github/workflows/superlinter.yml

@@ -19,7 +19,7 @@ jobs:
 
       # Runs the Super-Linter action
       - name: Run Super-Linter
-        uses: github/super-linter@v3
+        uses: github/super-linter@v4
         env:
           DEFAULT_BRANCH: master
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}