Move approval to separate deploy workflow

Summary: Closes https://github.com/facebook/react-native/pull/17916

Differential Revision: D6943605

Pulled By: hramos

fbshipit-source-id: 0e86f01aa38c15e5bc179c5e517f079eb34d495f

.circleci/config.yml

@@ -537,7 +537,7 @@ jobs:
 workflows:
   version: 2
 
-  build:
+  test:
     jobs:
 
       # Checkout repo and run Yarn
@@ -582,15 +582,18 @@ workflows:
           requires:
             - checkout_code
 
-      # If we are on a stable branch, deploy to `npm`
+      # Run code checks
-      - approve_publish_npm_package:
-          type: approval
-      - publish_npm_package:
-          filters: *filter-only-stable
-          requires:
-            - approve_publish_npm_package
-      
       - analyze_pr:            
           filters: *filter-ignore-master-stable
           requires:            
             - checkout_code
+
+  deploy:
+    jobs:
+      # If we are on a stable branch, wait for approval to deploy to npm
+      - approve_publish_npm_package:
+          filters: *filter-only-stable
+          type: approval
+      - publish_npm_package:
+          requires:
+            - approve_publish_npm_package