Update React Native Testing Library

Author: JimmyBastos

package.json

@@ -15,7 +15,7 @@
     "@react-navigation/native": "^5.5.1",
     "@react-navigation/stack": "^5.5.1",
     "@testing-library/jest-native": "^3.1.0",
-    "@testing-library/react-native": "^5.0.3",
+    "@testing-library/react-native": "^6.0.0",
     "axios": "^0.19.2",
     "intl": "^1.2.5",
     "react": "16.13.1",