Update workflow for 3.13

Author: delfanbaum

.github/workflows/workflow.yaml

@@ -7,10 +7,10 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ["3.9", "3.12"]
+        python-version: ["3.9", "3.13"]
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v5
 
       - name: Setup Python
         id: setup-python