Run tests on all python versions

Author: znichollscr

.github/workflows/ci.yaml

@@ -74,9 +74,8 @@ jobs:
       matrix:
         # os: [ "ubuntu-latest" ]
         # Test against all security and bugfix versions: https://devguide.python.org/versions/
-        # python-version: [ "3.9", "3.10", "3.11", "3.12", "3.13" ]
+        python-version: [ "3.9", "3.10", "3.11", "3.12", "3.13" ]
         os: [ "ubuntu-latest", "windows-latest" ]
-        python-version: [ "3.11", "3.12" ]
     runs-on: "${{ matrix.os }}"
     defaults:
       run: