chore(package): update eslint-plugin-react to version 7.12.1

Closes #21

Author: greenkeeper[bot]

package.json

@@ -57,7 +57,7 @@
     "esdoc-jsx-plugin": "1.0.0",
     "esdoc-standard-plugin": "1.0.0",
     "eslint": "4.19.1",
-    "eslint-plugin-react": "7.7.0",
+    "eslint-plugin-react": "7.12.1",
     "husky": "0.14.3",
     "lint-staged": "7.0.0",
     "nwb": "0.21.x",