[python_package.yml] Add Python 3.14. Available since October 25. https://devguide.python.org/versions/

Author: mmmarinho

.github/workflows/python_package.yml

@@ -12,7 +12,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ['3.10', '3.11', '3.12', '3.13']
+        python-version: ['3.10', '3.11', '3.12', '3.13', '3.14']
         os: ['ubuntu-22.04-arm', 'ubuntu-22.04', 'macos-latest', 'windows-latest']
         experimental: [false]
         # exclude: