update macos workflow

Author: matcool

.github/workflows/build.yml

@@ -25,7 +25,7 @@ jobs:
 
         - name: "macOS"
           id: mac
-          os: macos-12
+          os: macos-latest
           executable: 'geode'
           prebuild: 'export OPENSSL_STATIC=1'
           target: x86_64-apple-darwin