Update dependency google-map-react to v2

Author: renovate-bot

package.json

@@ -6,7 +6,7 @@
     "react-scripts": "3.1.1"
   },
   "dependencies": {
-    "google-map-react": "1.1.4",
+    "google-map-react": "2.0.8",
     "lodash": "4.17.15",
     "moment": "2.24.0",
     "react": "16.9.0",