fix(deps): update dependency react-native to v0.64.1 [security]

Author: renovate[bot]

example/package.json

@@ -12,7 +12,7 @@
   "dependencies": {
     "@uiw/react-native-wechat": "link:../",
     "react": "16.13.1",
-    "react-native": "0.63.2"
+    "react-native": "0.64.1"
   },
   "devDependencies": {
     "@babel/core": "7.8.4",