Fix CI

Author: ymyzk

.github/workflows/tests.yml

@@ -36,7 +36,7 @@ jobs:
       run: |
         python -m pip install --upgrade setuptools pip wheel
         # Use the latest published version for myself :)
-        python -m pip install tox-gh-actions
+        python -m pip install --pre tox-gh-actions
     - name: Test with tox
       run: tox
     - name: Upload coverage.xml