Remove unneeded tests with Python 3.8 and 3.9

Author: thibaudcolas

.github/workflows/python-test.yml

@@ -22,7 +22,7 @@ jobs:
     strategy:
       max-parallel: 5
       matrix:
-        python: ["3.8", "3.9", "3.10", "3.11"]
+        python: ["3.10", "3.11"]
 
     steps:
       - uses: actions/checkout@v3