Update python version

Author: smoia

.github/workflows/pytest.yaml

@@ -16,7 +16,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.7"]
+        python-version: ["3.8"]
     name: pip compat - py${{ matrix.python-version }}
     runs-on: ubuntu-latest
     defaults: