chore: Update python versions support

Author: ndrluis

.github/workflows/ci.yml

@@ -10,9 +10,9 @@ jobs:
       GITHUB_TOKEN: ${{secrets.GITHUB_TOKEN}}
     strategy:
       matrix:
-        python-version: ["3.11"]
+        python-version: ["3.9","3.10","3.11"]
       # run the matrix jobs one after the other so they can benefit from caching
-      max-parallel: 1
+      max-parallel: 3
 
     steps:
     - uses: actions/checkout@v2