Update super-linter/super-linter action to v5.6.0 (#859)

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

Author: renovate[bot]

.github/workflows/super-linter.yml

@@ -48,7 +48,7 @@ jobs:
       # Run Linter against code base #
       ################################
       - name: Lint Code Base
-        uses: super-linter/super-linter/slim@v5.5.0
+        uses: super-linter/super-linter/slim@v5.6.0
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
           LINTER_RULES_PATH: .