Only use Python 3.10

Author: oleksandr-pavlyk

.github/workflows/run_tests.yaml

@@ -11,7 +11,7 @@ jobs:
 
     strategy:
       matrix:
-        python: ['3.9', '3.10', '3.11']
+        python: ['3.10']
 
     steps:
       - name: Cancel Previous Runs