ci: run tests against Python 3.14

Author: ahal

pyproject.toml

@@ -16,6 +16,7 @@ classifiers = [
   "Programming Language :: Python :: 3.11",
   "Programming Language :: Python :: 3.12",
   "Programming Language :: Python :: 3.13",
+  "Programming Language :: Python :: 3.14",
   "Topic :: Software Development",
 ]
 requires-python = ">=3.9"

taskcluster/kinds/docker-image/kind.yml

@@ -29,7 +29,7 @@ tasks:
     python:
         symbol: I(py)
         args:
-            PYTHON_VERSIONS: "3.13 3.12 3.11 3.10 3.9"
+            PYTHON_VERSIONS: "3.14 3.13 3.12 3.11 3.10 3.9"
             UV_VERSION: *uv_version
     run-task:
         symbol: I(rt)

taskcluster/kinds/test/kind.yml

@@ -42,7 +42,7 @@ tasks:
         matrix:
             set-name: "unit-py{matrix[python]}"
             substitution-fields: [description, run.command, treeherder, worker]
-            python: ["313", "312", "311", "310", "39"]
+            python: ["314", "313", "312", "311", "310", "39"]
         worker:
             artifacts:
                 - type: file