chore(package): update enzyme to version 3.8.0

Closes #351

Author: greenkeeper[bot]

package.json

@@ -142,7 +142,7 @@
     "cz-conventional-changelog": "^2.1.0",
     "dotenv": "6.0.0",
     "dotenv-webpack": "1.5.7",
-    "enzyme": "3.7.0",
+    "enzyme": "3.8.0",
     "enzyme-adapter-react-16": "1.7.1",
     "enzyme-to-json": "^3.3.4",
     "eslint": "5.6.0",