chore(ci): fix flow error and update TS type (#395)

set related versions of react and react-native in devDependencies

package.json

@@ -31,13 +31,13 @@
   "devDependencies": {
     "@babel/core": "^7.2.2",
     "@semantic-release/git": "7.0.5",
-    "@types/react": "^16.4.18",
-    "@types/react-native": "^0.57.6",
+    "@types/react": "^16.6.3",
+    "@types/react-native": "^0.57.8",
     "babel-jest": "^24.0.0",
     "flow-bin": "^0.80.0",
     "jest": "^24.0.0",
     "metro-react-native-babel-preset": "^0.51.1",
-    "react-native": ">=0.57 <0.59",
+    "react-native": "^0.57.8",
     "semantic-release": "15.10.3"
   },
   "repository": {