tests: add lint github action workflow

.github/workflows/lint.yml

@@ -0,0 +1,28 @@
+---
+name: "lint"
+
+# yamllint disable-line rule:truthy
+on:
+  push:
+    branches:
+      - "*"
+
+jobs:
+  lint:
+    name: tagged-release
+    runs-on: ubuntu-22.04
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+      - name: Setup Python
+        uses: actions/setup-python@v4
+        with:
+          python-version: "3.8"
+          cache: "pip"
+      - run: pip install -r requirements.txt
+      - run: flake8 --ignore=E501,E203,W503
+      - run: black .
+      - run: rst-lint README.rst