Update dependency protractor to v7

Author: renovate-bot

package.json

@@ -36,7 +36,7 @@
     "karma-chrome-launcher": "^0.2.1",
     "karma-jasmine": "^0.3.6",
     "morgan": "^1.7.0",
-    "protractor": "^3.0.0",
+    "protractor": "^7.0.0",
     "ts-node": "^0.5.5",
     "tslint": "^3.6.0",
     "typescript": "^1.8.7",