infra: macos-13 is deprecated (#89)

* macos-13 is deprecated

* use macos-15-intel

Author: kevinjqliu

.github/workflows/build.yml

@@ -116,7 +116,7 @@ jobs:
   build-macos-x86_64:
     needs: [generate-license]
     name: Mac x86_64
-    runs-on: macos-13
+    runs-on: macos-15-intel
     strategy:
       fail-fast: false
       matrix: