Update macOS version

Author: zcbenz

.github/workflows/main.yml

@@ -10,7 +10,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-22.04, windows-2022, macos-12]
+        os: [ubuntu-22.04, windows-2022, macos-15]
 
     steps:
       - name: Install Linux Dependencies