Update example dependencies

Author: zoontek

example/package.json

@@ -18,11 +18,11 @@
     "react-native-vector-icons": "6.6.0"
   },
   "devDependencies": {
-    "@babel/core": "7.5.5",
-    "@babel/runtime": "7.5.5",
-    "@types/react": "16.9.2",
-    "@types/react-native": "0.60.7",
+    "@babel/core": "7.6.0",
+    "@babel/runtime": "7.6.0",
+    "@types/react": "16.8.25",
+    "@types/react-native": "0.60.15",
     "metro-react-native-babel-preset": "0.56.0",
-    "typescript": "3.5.3"
+    "typescript": "3.6.3"
   }
 }