Validate against Python 3.14

Author: gmazoyer

.github/workflows/tests.yml

@@ -13,11 +13,11 @@ jobs:
     strategy:
       matrix:
         python:
-        - "3.9"
         - "3.10"
         - "3.11"
         - "3.12"
         - "3.13"
+        - "3.14"
     steps:
     - name: Checkout
       uses: actions/checkout@v5