fix: remove invalid Python versions from test workflow

Author: sscovil

.github/workflows/test.yml

@@ -12,7 +12,7 @@ jobs:
     strategy:
       matrix:
         os: [ ubuntu-latest, macos-latest, windows-latest ]
-        python-version: ["3.11", "3.12", "3.13"]
+        python-version: ["3.11", "3.12.0-rc.3"]
     steps:
       - uses: actions/checkout@v3
       - name: Set up Python