Update python verisons for testing

Author: cnweaver

.github/workflows/build.yml

@@ -7,7 +7,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: [3.7, 3.8, 3.9]
+        python-version: [3.9, 3.10, 3.11, 3.12, 3.13]
 
     steps:
     - name: Check out the code