just use old ci but with newer python

.github/workflows/ci.yml

@@ -0,0 +1,29 @@
+name: ci
+
+on:
+  pull_request:
+  push:
+    branches:
+      - master
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+    steps:
+    - name: checkout source
+      uses: actions/checkout@v2
+
+    - name: set up python 3.9
+      uses: actions/setup-python@v5
+      with:
+        python-version: 3.9
+
+    - name: install dependencies
+      run: python -m pip install --upgrade pip
+
+    - name: lint and test
+      run: |
+        pip install -q flake8
+        flake8
+        python setup.py install
+        q2lint