Not ready for 3.13

Author: pamelafox

.github/workflows/app-tests.yaml

@@ -28,10 +28,10 @@ jobs:
       fail-fast: false
       matrix:
         os: ["ubuntu-latest", "macos-latest-xlarge", "macos-13", "windows-latest"]
-        python_version: ["3.9", "3.10", "3.11", "3.12", "3.13"]
+        python_version: ["3.9", "3.10", "3.11", "3.12"]
         exclude:
           - os: macos-latest-xlarge
-            python_version: "3.10"
+            python_version: ["3.9", "3.10"]
     env:
       UV_SYSTEM_PYTHON: 1
       POSTGRES_HOST: localhost