Fix ruff arguments

Author: RalfG

.github/workflows/test.yml

@@ -26,7 +26,7 @@ jobs:
       - name: Check formatting with Ruff
         uses: astral-sh/ruff-action@v3
         with:
-          args: --check exclude docs,tests
+          args: check exclude docs,tests
 
       - name: Install package and its dependencies
         run: pip install --editable .[dev,idxml]