Merge pull request #456 from aurelio-labs/james/py312

feat: add test for 3.12 and remove 3.9

.github/workflows/test.yml

@@ -15,10 +15,9 @@ jobs:
     strategy:
       matrix:
         python-version:
-          - "3.9"
           - "3.10"
           - "3.11"
-          # - "3.12"
+          - "3.12"
     steps:
       - uses: actions/checkout@v4
       - name: Cache Poetry