ci: update Python version in monitor workflow

Author: m0wer

.github/workflows/monitor.yaml

@@ -18,7 +18,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v5
         with:
-          python-version: 3.12
+          python-version: "3.13"
           cache: pip
 
       - name: Install dependencies