Test trio with Python 3.13

Co-authored-by: John Litborn <11260241+jakkdl@users.noreply.github.com>

Author: edgarrmondragon

.github/workflows/ci.yaml

@@ -27,11 +27,11 @@ jobs:
           - python: "3.11"
             tox: py311
           - python: "3.12"
-            tox: py312,py312-trio
+            tox: py312
           - python: "3.12"
             tox: pep8
           - python: "3.13"
-            tox: py313
+            tox: py313,py313-trio
           - python: "3.11"
             tox: mypy
     steps:

tox.ini

@@ -1,5 +1,6 @@
 [tox]
-envlist = py3{8,9,10,11,12,12-trio,13}, pep8, pypy3
+# we only test trio on latest python version
+envlist = py3{8,9,10,11,12,13,13-trio}, pep8, pypy3
 skip_missing_interpreters = True
 
 [testenv]