drop experimental 3.13t test env

Author: davidism

.github/workflows/tests.yaml

@@ -18,7 +18,6 @@ jobs:
           - {name: Windows, python: '3.14', os: windows-latest}
           - {name: Mac, python: '3.14', os: macos-latest}
           - {python: '3.13'}
-          - {python: '3.13t'}
           - {python: '3.12'}
           - {python: '3.11'}
           - {python: '3.10'}

pyproject.toml

@@ -168,8 +168,8 @@ order-by-type = false
 
 [tool.tox]
 env_list = [
-    "py3.14", "py3.14t", "py3.13", "py3.13t",
-    "py3.12", "py3.11", "py3.10", "py3.9",
+    "py3.14", "py3.14t",
+    "py3.13", "py3.12", "py3.11", "py3.10", "py3.9",
     "pypy3.11",
     "tests-min", "tests-dev",
     "style",