update macos

Author: lygstate

.github/workflows/build-macos.yml

@@ -10,7 +10,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [macos-12, macos-11]
+        os: [macos-13]
         build_type: [Release]
         c_compiler: [gcc, clang]
     steps: