GitHub Actions: Add free threaded Python 3.14t

Author: cclauss

.github/workflows/test.yml

@@ -12,7 +12,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ['3.8', '3.9', '3.10', '3.11', '3.12', '3.13', '3.14']
+        python-version: ['3.8', '3.9', '3.10', '3.11', '3.12', '3.13', '3.14', '3.14t']
 
     steps:
     - uses: actions/checkout@v5

tox.ini

@@ -4,11 +4,13 @@ envlist =
     py{310,311,312}-dj50
     py{310,311,312}-dj51
     py{310,311,312,313,314}-dj52
-    py{312,313,314}-dj60
-    py{312,313,314}-djmain
+    py{312,313,314,314t}-dj60
+    py{312,313,314,314t}-djmain
 
 skipsdist = True
 
+skip_missing_interpreters = True
+
 [testenv]
 deps =
     dj42: Django==4.2
@@ -36,4 +38,4 @@ python =
     3.11: py311
     3.12: py312
     3.13: py313
-    3.14: py314
+    3.14: py314, py314t