update github action

.github/workflows/pythonapp.yml

@@ -15,11 +15,11 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v4
-    - name: Set up Python 3.10
-      uses: actions/setup-python@v5
+    - uses: actions/checkout@v6
+    - name: Set up Python 3.13
+      uses: actions/setup-python@v6
       with:
-        python-version: '3.10'
+        python-version: '3.13'
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip