fix: Updating CI matrix

Author: douglasmiller

.github/workflows/ci.yml

@@ -9,7 +9,7 @@ jobs:
     name: Python ${{ matrix.python }} tests
     strategy:
       matrix:
-        python: ['3.7', '3.8', '3.9', '3.10', '3.11']
+        python: ['3.8', '3.9', '3.10', '3.11', '3.12', '3.13']
     steps:
       - uses: actions/checkout@v3
       - name: Setup python