Update dependency cypress to v4.3.0

Author: renovate-bot

package-lock.json

@@ -67,7 +67,7 @@
     "chai-subset": "1.6.0",
     "concurrently": "5.1.0",
     "cross-env": "7.0.2",
-    "cypress": "4.2.0",
+    "cypress": "4.3.0",
     "cypress-skip-and-only-ui": "1.2.6",
     "gitbook-cli": "2.3.2",
     "gitbook-plugin-copy-code-button": "0.0.2",