Add Python 3.13 and 3.14 to CI matrix

Author: mthuurne

.github/workflows/ci.yml

@@ -10,7 +10,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest]
-        python-version: ["3.10", "3.11", "3.12"]
+        python-version: ["3.10", "3.11", "3.12", "3.13", "3.14"]
     runs-on: ${{ matrix.os }}
 
     steps: