Update core-js to the latest version 🚀 (#1142)

* chore(package): update core-js to version 3.6.5

* chore(package): update lockfile package-lock.json

* Revert "chore(package): update lockfile package-lock.json"

This reverts commit 0f47761.

* fix conflicts

Co-authored-by: greenkeeper[bot] <23040076+greenkeeper[bot]@users.noreply.github.com>
Co-authored-by: Diamond Lewis <findlewis@gmail.com>

Author: greenkeeper[bot]

package-lock.json

@@ -32,7 +32,7 @@
     "@babel/runtime": "7.9.2",
     "@babel/runtime-corejs3": "7.9.2",
     "crypto-js": "4.0.0",
-    "react-native-crypto-js": "^1.0.0",
+    "react-native-crypto-js": "1.0.0",
     "uuid": "3.3.3",
     "ws": "7.2.3",
     "xmlhttprequest": "1.8.0"
@@ -53,7 +53,7 @@
     "babel-plugin-transform-inline-environment-variables": "0.4.3",
     "browserify": "16.5.1",
     "codecov": "3.6.5",
-    "core-js": "3.6.1",
+    "core-js": "3.6.5",
     "cross-env": "7.0.2",
     "eslint": "6.8.0",
     "eslint-plugin-flowtype": "4.7.0",