Bump eslint-plugin-flowtype from 4.6.0 to 4.7.0

Bumps [eslint-plugin-flowtype](https://github.com/gajus/eslint-plugin-flowtype) from 4.6.0 to 4.7.0.
- [Release notes](https://github.com/gajus/eslint-plugin-flowtype/releases)
- [Commits](gajus/eslint-plugin-flowtype@v4.6.0...v4.7.0)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

packages/superoverload/package.json

@@ -41,7 +41,7 @@
     "coveralls": "^3.0.11",
     "eslint": "^6.8.0",
     "eslint-config-prettier": "^6.10.0",
-    "eslint-plugin-flowtype": "^4.6.0",
+    "eslint-plugin-flowtype": "^4.7.0",
     "eslint-plugin-prettier": "^3.1.2",
     "flow-bin": "^0.121.0",
     "jest": "^25.1.0",

yarn.lock

@@ -2424,10 +2424,10 @@ eslint-config-prettier@^6.10.0:
   dependencies:
     get-stdin "^6.0.0"
 
-eslint-plugin-flowtype@^4.6.0:
-  version "4.6.0"
-  resolved "https://registry.yarnpkg.com/eslint-plugin-flowtype/-/eslint-plugin-flowtype-4.6.0.tgz#82b2bd6f21770e0e5deede0228e456cb35308451"
-  integrity sha512-W5hLjpFfZyZsXfo5anlu7HM970JBDqbEshAJUkeczP6BFCIfJXuiIBQXyberLRtOStT0OGPF8efeTbxlHk4LpQ==
+eslint-plugin-flowtype@^4.7.0:
+  version "4.7.0"
+  resolved "https://registry.yarnpkg.com/eslint-plugin-flowtype/-/eslint-plugin-flowtype-4.7.0.tgz#903a6ea3eb5cbf4c7ba7fa73cc43fc39ab7e4a70"
+  integrity sha512-M+hxhSCk5QBEValO5/UqrS4UunT+MgplIJK5wA1sCtXjzBcZkpTGRwxmLHhGpbHcrmQecgt6ZL/KDdXWqGB7VA==
   dependencies:
     lodash "^4.17.15"