Enforce ruff rules in CI

.github/workflows/python.yml

@@ -0,0 +1,18 @@
+name: Python linting
+
+on:
+  pull_request:
+    branches:
+      - '*'
+
+permissions:
+  contents: read
+
+jobs:
+  ruff:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: astral-sh/ruff-action@v3
+      - name: Lint with Ruff
+        run: ruff check --output-format=github