3.14 is available from GH's setup-python action

Author: clin1234

.github/workflows/ci.yml

@@ -264,6 +264,8 @@ jobs:
             "3.12",
             "3.13",
             "3.13t",
+            "3.14-dev",
+            "3.14t-dev",
             "pypy3.9",
             "pypy3.10",
             "pypy3.11",