Feat: drop 3.11.0 alphas from the test matrix for now

Author: vinitkumar

.github/workflows/pythonpackage.yml

@@ -8,7 +8,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: [3.7, 3.8, 3.9, pypy-3.8, 3.10.0, "3.11.0-alpha.1"]
+        python-version: [3.7, 3.8, 3.9, pypy-3.8, 3.10.0]
         os: [
           ubuntu-20.04,
           macOS-latest,