REFACT: run hadolint-gh-action multiple times

Note: this is now possible since
jbergstroem/hadolint-gh-action#135
got merged and released.

code-style/action.yml

@@ -99,16 +99,13 @@ runs:
         recursive: ${{ inputs.docker-recursive }}
         error-level: ${{ inputs.docker-error-level }}
 
-    # FIXME: Currently the action cannot work with multiple directory
-    # because of a bug, see
-    # https://github.com/jbergstroem/hadolint-gh-action/pull/135
-    # - name: "Run Dockerfile linting in '.devcontainer' directory"
-    #   if: ${{ inputs.docker-lint == 'true' }}
-    #   uses: ansys/actions/docker-style@feat/lint_dockerfile
-    #   with:
-    #     directory: .devcontainer
-    #     recursive: ${{ inputs.docker-recursive }}
-    #     error-level: ${{ inputs.docker-error-level }}
+    - name: "Run Dockerfile linting in '.devcontainer' directory"
+      if: ${{ inputs.docker-lint == 'true' }}
+      uses: ansys/actions/docker-style@feat/lint_dockerfile
+      with:
+        directory: .devcontainer
+        recursive: ${{ inputs.docker-recursive }}
+        error-level: ${{ inputs.docker-error-level }}
 
     # ------------------------------------------------------------------------