remove limits on python versions for tests

.github/workflows/testing_multiversion.yml

@@ -13,7 +13,7 @@ jobs:
     # Using matrix strategy
     strategy:
       matrix:
-        python-version: ["3.9", "3.10", "3.11.8", "3.12.2"]
+        python-version: ["3.9", "3.10", "3.11", "3.12"]
     runs-on: ubuntu-latest
     steps:
       # Check out repo and set up Python