dream: add Python 3.14 to CI test matrix

Dream dream-2026-07-23.1 finding 017.

Author: franccesco

.github/workflows/tests.yml

@@ -19,7 +19,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ['3.12', '3.13']
+        python-version: ['3.12', '3.13', '3.14']
 
     steps:
       - name: Checkout