build(ci): enable python 3.12 in github actions (#2005)

Author: jhamman

.github/workflows/test.yml

@@ -21,7 +21,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ['3.10', '3.11']
+        python-version: ['3.10', '3.11', '3.12']
         numpy-version: ['1.24', '1.26', '2.0']
         dependency-set: ["minimal", "optional"]