Update ci-cd.yml

Split off ruff to separate job

.github/workflows/ci-cd.yml

@@ -13,10 +13,15 @@ permissions:
   contents: read
 
 jobs:
+  ruff:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: astral-sh/ruff-action@v1
+        with:
+          args: "format --diff --target-version=py311"
   build:
-
     runs-on: ubuntu-latest
-
     steps:
     - uses: actions/checkout@v4
     - name: Set up Python 3.11
@@ -26,13 +31,8 @@ jobs:
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
-        pip install pytest ruff
+        pip install pytest
         if [ -f requirements.txt ]; then pip install -r requirements.txt; fi
-    - name: Lint code with Ruff
-      run: ruff check --output-format=github --target-version=py311
-    - name: Check code formatting with Ruff
-      run: ruff format --diff --target-version=py311
-      continue-on-error: true
     - name: Test with pytest
       run: |
         pytest