Restore ruff format

Author: disrupted

.github/workflows/ci.yaml

@@ -79,7 +79,10 @@ jobs:
           python-version: "3.11"
           version: ${{ env.UV_VERSION }}
 
-      - name: Check markdown, toml, css formatting
+      - name: ruff
+        run: uv run --frozen ruff format --check
+
+      - name: dprint
         uses: dprint/[email protected]
 
   test: