Run Nightly Test (#28)

* set up nightly tests

* bump MacOS Intel Runner to Arm64

Author: scott-huberty

.github/workflows/test.yaml

@@ -7,6 +7,8 @@ on:
   pull_request:
     branches:
       - main
+  schedule:
+    - cron: '0 2 * * *'  # Daily at 2am UTC
 
 jobs:
   test:
@@ -16,7 +18,7 @@ jobs:
         os:
           - ubuntu-latest
           - macos-latest  # Latest Apple Silicon macOS
-          - macos-13  # Latest Intel-based macOS
+          - macos-14  # macOS 14 Sonoma on Apple Silicon
           - windows-latest
         python-version: ['3.10']