ci: simplify linting action

.github/workflows/build-linux.yaml

@@ -118,23 +118,8 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3
-      - name: Install Python
-        uses: actions/setup-python@v4
-        with:
-          python-version: "3.11"
-      - name: pip cache
-        id: pip-cache
-        uses: actions/cache@v3
-        with:
-          path: ~/.cache/pip
-          key: ${{ runner.os }}-pip-${{ hashFiles('**/setup.*') }}
-      - name: Install dependencies
-        run: |
-          python -m pip install --upgrade pip
-          pip install ruff>=0.1.8
-      # Include `--format=github` to enable automatic inline annotations.
-      - name: Run Ruff
-        run: ruff --format=github src/
+      - name: lint sourcecode
+        uses: chartboost/ruff-action@v1
 
 #  build-docs:
 #    name: build documentation