Revert "Upgrade macOS version for new node"

huv1k · huv1k · commit 2fb65334129b · 2018-10-16T14:40:14.000+02:00
This reverts commit 6752bd0.
diff --git a/.circleci/config.yml b/.circleci/config.yml
@@ -14,7 +14,7 @@ jobs:
 
   electron-build:
     macos:
-      xcode: '9.4.0'
+      xcode: '10.0'
     steps:
       - checkout
       - run: |
