Lint Python with Ruff (#790)

Author: cclauss

.github/workflows/test.yml

@@ -85,3 +85,11 @@ jobs:
       uses: codecov/codecov-action@v3
       with:
         name: Python ${{ matrix.python-version }}
+
+  ruff:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v3
+    - run: pip install --user ruff
+    - run: ruff --extend-select=C4,C9,I,PLC,PLE,PLR,U --format=github
+                --ignore=C414,I001,UP032 --target-version=py37 .