Activat tests for python 3.12

Author: Ph0tonic

.github/workflows/test.yaml

@@ -42,6 +42,8 @@ jobs:
             pip-install-spec: "jupyterhub==4.*"
           - python-version: "3.11"
             pip-install-spec: "jupyterhub==4.*"
+          - python-version: "3.12"
+            pip-install-spec: "jupyterhub==4.*"
 
           # test unreleased jupyterhub, failures tolerated
           - python-version: "3.X"

pyproject.toml

@@ -34,6 +34,7 @@ target_version = [
     "py39",
     "py310",
     "py311",
+    "py312",
 ]