TEMP: Try using macos 15

Author: AlexanderWells-diamond

.github/workflows/code.yml

@@ -21,7 +21,7 @@ jobs:
           - os: "ubuntu-24.04-arm"
             python: "3.12"
             install: ".[dev]"
-          - os: "macos-13-xlarge"
+          - os: "macos-latest"
             python: "3.12"
             install: ".[dev]"