chore(package): update babel-plugin-flow-react-proptypes to version 3.1.2

Author: greenkeeper[bot]

package.json

@@ -116,7 +116,7 @@
     "ajv": "5.1.5",
     "babel-eslint": "7.2.3",
     "babel-jest": "20.0.3",
-    "babel-plugin-flow-react-proptypes": "3.1.1",
+    "babel-plugin-flow-react-proptypes": "3.1.2",
     "babel-preset-react-native": "1.9.2",
     "danger": "0.18.0",
     "enzyme": "2.8.2",