fixed a typo: ios=>macos

Author: kerryjiang

.github/workflows/myget.yml

@@ -7,7 +7,7 @@ on:
 
 jobs:
     push:
-        runs-on: ios-latest
+        runs-on: macos-latest
         steps:
             - uses: actions/checkout@v1
             - uses: actions/setup-java@v4