docs: use python 3.13 in the example

Co-authored-by: Edgar Ramírez Mondragón <edgarrm358@gmail.com>

Author: vil02

README.md

@@ -19,7 +19,7 @@ jobs:
 
     - uses: actions/setup-python@v5
       with:
-        python-version: 3.8
+        python-version: 3.13
 
     - name: Install dependencies
       run: |