Update Python versions

Author: fabaff

.github/workflows/testing.yml

@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: [ "3.11", "3.12", "3.13" ]
+        python-version: [ "3.13", "3.14" ]
 
     steps:
     - name: Checkout