Add python 3.14 to test suite. (#3116)

Author: Rowlando13

.github/workflows/tests.yaml

@@ -13,6 +13,7 @@ jobs:
       fail-fast: false
       matrix:
         include:
+          - {python: '3.14'}
           - {python: '3.13'}
           - {name: Windows, python: '3.13', os: windows-latest}
           - {name: Mac, python: '3.13', os: macos-latest}

pyproject.toml

@@ -142,7 +142,7 @@ order-by-type = false
 
 [tool.tox]
 env_list = [
-    "py3.13", "py3.12", "py3.11", "py3.10",
+    "py3.14", "py3.13", "py3.12", "py3.11", "py3.10",
     "pypy3.11",
     "style",
     "typing",