Bump typescript from 3.9.7 to 4.0.2

Bumps [typescript](https://github.com/Microsoft/TypeScript) from 3.9.7 to 4.0.2.
- [Release notes](https://github.com/Microsoft/TypeScript/releases)
- [Commits](microsoft/TypeScript@v3.9.7...v4.0.2)

Signed-off-by: dependabot-preview[bot] <[email protected]>

Author: dependabot-preview[bot]

package.json

@@ -42,7 +42,7 @@
     "@types/react": "^16.9.22",
     "@types/react-native": "^0.63.0",
     "react-native-typescript-transformer": "^1.2.13",
-    "typescript": "^3.7.4",
+    "typescript": "^4.0.2",
     "@react-native-community/eslint-config": "^0.0.5",
     "eslint": "^6.8.0",
     "eslint-config-airbnb": "^18.2.0",