Update dependency @babel/core to v7.7.5 (#3889)

Author: renovate-bot

package-lock.json

@@ -28,7 +28,7 @@
   },
   "devDependencies": {
     "@babel/cli": "7.7.5",
-    "@babel/core": "7.7.4",
+    "@babel/core": "7.7.5",
     "@babel/plugin-proposal-class-properties": "7.7.4",
     "@babel/plugin-proposal-object-rest-spread": "7.7.4",
     "@babel/plugin-transform-react-jsx": "7.7.4",