chore(package): update enzyme to version 3.8.0

Closes #1833

Author: greenkeeper[bot]

package.json

@@ -85,7 +85,7 @@
     "electron-devtools-installer": "2.2.4",
     "electron-link": "0.2.2",
     "electron-mksnapshot": "3.0.0-beta.1",
-    "enzyme": "3.7.0",
+    "enzyme": "3.8.0",
     "enzyme-adapter-react-16": "1.7.0",
     "eslint": "5.0.1",
     "eslint-config-fbjs-opensource": "1.0.0",