use python 3.14 in github action

.github/workflows/python-app.yml

@@ -37,7 +37,7 @@ jobs:
     - uses: actions/checkout@v5
       with:
         fetch-depth: 0  # Shallow clones should be disabled for a better relevancy of analysis
-    - name: Set up Python 3.13
+    - name: Set up Python 3.14
       uses: actions/setup-python@v6
       with:
         python-version: "3.14"