Enable tests on Python 3.11, no longer failing. Fixes #3365.

Author: jaraco

.github/workflows/main.yml

@@ -47,8 +47,7 @@ jobs:
       matrix:
         python:
         - "3.7"
-        # disabled due to #3365
-        # - "3.11"
+        - "3.11"
         - "3.12"
         # Workaround for actions/setup-python#508
         dev: