fix: Bump Python version

Version 3.7 has reached its EOL. Use newer version

Author: hf-alex

.github/workflows/pull-request.yaml

@@ -11,10 +11,10 @@ jobs:
     steps:
     - uses: actions/checkout@v1
 
-    - name: Set up Python 3.7
+    - name: Set up Python 3.13
       uses: actions/setup-python@v1
       with:
-        python-version: 3.7
+        python-version: 3.13
 
     - name: Install dependencies
       run: |