chore(package): update enzyme-adapter-react-16 to version 1.3.1

Closes #32

Author: greenkeeper[bot]

package.json

@@ -48,7 +48,7 @@
     "babel-preset-react": "^6.24.1",
     "coveralls": "^3.0.2",
     "enzyme": "^3.5.0",
-    "enzyme-adapter-react-16": "^1.2.0",
+    "enzyme-adapter-react-16": "^1.3.1",
     "greenkeeper-lockfile": "^1.15.1",
     "gzip-size": "^5.0.0",
     "jest": "^23.4.0",