bump macOS version

Author: elmetal

.github/workflows/deploy_docc.yml

@@ -15,9 +15,9 @@ concurrency:
 
 jobs:
   build:
-    runs-on: macos-14
+    runs-on: macos-15
     env:
-      DEVELOPER_DIR: /Applications/Xcode_15.4.app/Contents/Developer
+      DEVELOPER_DIR: /Applications/Xcode_16.2.app/Contents/Developer
 
     steps:
       - uses: actions/checkout@v4