Merge branch 'master' of github.com:v2fly/v2ray-core

azure-pipelines.yml

@@ -24,7 +24,7 @@ jobs:
 - template: azure-pipelines.template.yml
   parameters:
     name: macos
-    vmImage: 'macOS-10.13'
+    vmImage: 'macOS-10.14'
 
 - job: linux_coverage
   dependsOn: linux