chore(package): update cypress to version 4.6.0

Closes #1301

Author: greenkeeper[bot]

package.json

@@ -54,7 +54,7 @@
     "@hint/hint-http-cache": "^2.1.0",
     "@hint/hint-http-compression": "^3.1.0",
     "conventional-github-releaser": "^3.1.3",
-    "cypress": "^3.4.1",
+    "cypress": "^4.6.0",
     "enzyme": "^3.10.0",
     "enzyme-adapter-react-16": "^1.14.0",
     "enzyme-to-json": "^3.3.5",