CI: add working-directory workaround

Note: option 'work-directory' cannot be used with 'uses', it only
works with the key-word 'run'.

docker-style/action.yml

@@ -63,11 +63,16 @@ runs:
           exit 1
         fi
 
+    # Workaround used because option "work-directory" cannot be used with "uses", it only works with the key-word "run".
+    - name: Move to specific directory
+      shell: bash
+      run: |
+        cd ${{ github.workspace }}/${{ inputs.directory }}
+
     - name: Run Hadolint
       uses: hadolint/[email protected]
       env:
         HADOLINT_RECURSIVE: "${{ inputs.recursive }}"
       with:
         dockerfile: "Dockerfile"
         recursive: ${{ inputs.recursive }}
-        working-directory: ${{ inputs.directory }}