Update .github/workflows/ci.yml

Author: henryiii

.github/workflows/ci.yml

@@ -66,7 +66,6 @@ jobs:
       matrix:
         python:
         - "3.8"   # oldest Python supported by validate-pyproject
-        - "3.12"  # This must remain because Py3.12 is hardcoded to block all other tests
         - "3.x"   # newest Python that is stable
         platform:
         - ubuntu-latest