Update eslint-plugin-flowtype to the latest version 🚀 (#6536)

* chore(package): update eslint-plugin-flowtype to version 4.7.0

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

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

package-lock.json

@@ -5337,9 +5337,9 @@
       }
     },
     "eslint-plugin-flowtype": {
-      "version": "4.5.0",
-      "resolved": "https://registry.npmjs.org/eslint-plugin-flowtype/-/eslint-plugin-flowtype-4.5.0.tgz",
-      "integrity": "sha512-zylRibc5W//x7vURL8vW3B1RVZyjSujcAMNDPAUA5SWHCskNmrX1wFODog1kTkC96acluCwMlWhJYrOyyXFr/A==",
+      "version": "4.7.0",
+      "resolved": "https://registry.npmjs.org/eslint-plugin-flowtype/-/eslint-plugin-flowtype-4.7.0.tgz",
+      "integrity": "sha512-M+hxhSCk5QBEValO5/UqrS4UunT+MgplIJK5wA1sCtXjzBcZkpTGRwxmLHhGpbHcrmQecgt6ZL/KDdXWqGB7VA==",
       "dev": true,
       "requires": {
         "lodash": "^4.17.15"

package.json

@@ -76,7 +76,7 @@
     "cross-env": "7.0.2",
     "deep-diff": "1.0.2",
     "eslint": "6.8.0",
-    "eslint-plugin-flowtype": "4.5.0",
+    "eslint-plugin-flowtype": "4.7.0",
     "flow-bin": "0.119.1",
     "form-data": "3.0.0",
     "gaze": "1.1.3",