fix(package): update react to version 15.6.2

Author: greenkeeper[bot]

package.json

@@ -91,7 +91,7 @@
     "polished": "^1.7.0",
     "prop-types": "^15.5.10",
     "ramda": "^0.24.1",
-    "react": "15.6.1",
+    "react": "15.6.2",
     "react-dom": "15.6.1",
     "react-icons": "^2.2.5",
     "react-intl": "^2.3.0",