test: issue2551284 re-enable 3.12 testing

See if the new rc 3.12 version is in place and works now.

Author: rouilj

.github/workflows/ci-test.yml

@@ -61,9 +61,9 @@ jobs:
 
         include:
             # example: if 3.12 fails the jobs still succeeds
-            #- python-version: 3.12 
-            #  os: ubuntu-22.04
-            #  experimental: true
+            - python-version: 3.12 
+              os: ubuntu-22.04
+              experimental: true
 
             # 3.6 not available on new 22.04 runners, so run on 20.04 ubuntu
             - python-version: 3.6