Merge "Add openstack-python3-next-jobs"

Author: Zuul

.zuul.yaml

@@ -32,6 +32,7 @@
     queue: telemetry
     templates:
       - openstack-python3-jobs
+      - openstack-python3-next-jobs
       - publish-openstack-docs-pti
       - check-requirements
       - release-notes-jobs-python3

pyproject.toml

@@ -26,6 +26,7 @@ classifiers = [
   "Programming Language :: Python :: 3.11",
   "Programming Language :: Python :: 3.12",
   "Programming Language :: Python :: 3.13",
+  "Programming Language :: Python :: 3.14",
   "Programming Language :: Python :: 3 :: Only",
 ]