Bump Python versions in GH unit test workflow

We now test with 3.12-3.14 rather than 3.11-3.13.

Author: pont-us

.github/workflows/tests.yaml

@@ -12,7 +12,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.11", "3.12", "3.13"]
+        python-version: ["3.12", "3.13", "3.14"]
 
     steps:
     - uses: actions/checkout@v4