misc: Create GitHub Action to lint Python code (#1065)

Author: cclauss

.github/workflows/lint-python.yml

@@ -0,0 +1,16 @@
+# https://beta.ruff.rs
+name: ruff
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+jobs:
+  ruff:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - run: pip install --user ruff
+      - run: ruff --format=github --ignore="E722,F40,F841" --line-length=681 --target-version=py37 .