Bump eslint-plugin-flowtype from 2.42.0 to 2.43.0

Bumps [eslint-plugin-flowtype](https://github.com/gajus/eslint-plugin-flowtype) from 2.42.0 to 2.43.0.
- [Release notes](https://github.com/gajus/eslint-plugin-flowtype/releases/tag/v2.43.0)
- [Commits](gajus/eslint-plugin-flowtype@v2.42.0...v2.43.0)

package.json

@@ -42,7 +42,7 @@
     "babel-preset-flow": "^6.23.0",
     "coveralls": "^3.0.0",
     "eslint": "^4.17.0",
-    "eslint-plugin-flowtype": "^2.42.0",
+    "eslint-plugin-flowtype": "^2.43.0",
     "flow-bin": "^0.65.0",
     "flow-copy-source": "^1.3.0",
     "flow-typed": "^2.3.0",

yarn.lock

@@ -1460,9 +1460,9 @@ escodegen@^1.9.0:
   optionalDependencies:
     source-map "~0.5.6"
 
-eslint-plugin-flowtype@^2.42.0:
-  version "2.42.0"
-  resolved "https://registry.yarnpkg.com/eslint-plugin-flowtype/-/eslint-plugin-flowtype-2.42.0.tgz#7fcc98df4ed9482a22ac10ba4ca48d649c4c733a"
+eslint-plugin-flowtype@^2.43.0:
+  version "2.43.0"
+  resolved "https://registry.yarnpkg.com/eslint-plugin-flowtype/-/eslint-plugin-flowtype-2.43.0.tgz#47cdac5f01cda53f1c3e8477f0c83fee66a1606e"
   dependencies:
     lodash "^4.15.0"