ci: bump to macos-13 (#253)

Author: henryiii

.github/workflows/build.yml

@@ -56,7 +56,7 @@ jobs:
             arch: "ARM64"
           - os: windows-2019
             arch: "x86"
-          - os: macos-11
+          - os: macos-13
             arch: "universal2"
 
     steps: