Test python 3.10 and 3.11

As per the current release tested runtime, we
need to test python 3.8 to python 3.11 so using the
generic python testing template which run the python
versions jobs as per the current release runtime.

Also, updating the same in python classifier in setup.cfg

Change-Id: Iacd2a060b8a7676ced37cde18d80f260fcbffefa

.zuul.yaml

@@ -2,7 +2,7 @@
     templates:
       - check-requirements
       - lib-forward-testing-python3
-      - openstack-python3-antelope-jobs
+      - openstack-python3-jobs
       - periodic-stable-jobs
       - publish-openstack-docs-pti
       - release-notes-jobs-python3

setup.cfg

@@ -15,6 +15,8 @@ classifier =
     Programming Language :: Python :: 3
     Programming Language :: Python :: 3.8
     Programming Language :: Python :: 3.9
+    Programming Language :: Python :: 3.10
+    Programming Language :: Python :: 3.11
     Programming Language :: Python :: 3 :: Only
     Programming Language :: Python :: Implementation :: CPython
     Topic :: Software Development :: Libraries