Use 3.11.0 for CI (#257)

Author: cdce8p

.github/workflows/ci.yaml

@@ -177,7 +177,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: [3.8, 3.9, "3.10", "3.11-dev"]
+        python-version: [3.8, 3.9, "3.10", "3.11"]
     outputs:
       python-key: ${{ steps.generate-python-key.outputs.key }}
     steps: