Upgrade react-native to 0.63.0

- Currently facing issue testing-library/native-testing-library#126.

Author: hyochan

package.json

@@ -42,7 +42,7 @@
     "@react-navigation/stack": "^5.6.2",
     "i18n-js": "^3.7.1",
     "react": "16.13.1",
-    "react-native": "0.62.2",
+    "react-native": "0.63.0",
     "react-native-gesture-handler": "^1.6.1",
     "react-native-localize": "^1.4.0",
     "react-native-reanimated": "^1.9.0",