chore(package): update eslint-plugin-react to version 7.8.0

Closes #32

Author: greenkeeper[bot]

package.json

@@ -36,7 +36,7 @@
     "eslint": "4.9.0",
     "eslint-config-prettier": "2.6.0",
     "eslint-plugin-prettier": "2.3.1",
-    "eslint-plugin-react": "7.4.0",
+    "eslint-plugin-react": "7.8.0",
     "husky": "0.14.3",
     "identity-obj-proxy": "3.0.0",
     "jest": "21.2.1",