Bump react-native-screens from 3.19.0 to 3.20.0 in /GraphRNSample

Bumps [react-native-screens](https://github.com/software-mansion/react-native-screens) from 3.19.0 to 3.20.0.
- [Release notes](https://github.com/software-mansion/react-native-screens/releases)
- [Commits](software-mansion/react-native-screens@3.19.0...3.20.0)

---
updated-dependencies:
- dependency-name: react-native-screens
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

GraphRNSample/package-lock.json

@@ -24,7 +24,7 @@
     "react-native-gesture-handler": "^2.9.0",
     "react-native-reanimated": "^2.14.4",
     "react-native-safe-area-context": "^4.5.0",
-    "react-native-screens": "^3.19.0",
+    "react-native-screens": "^3.20.0",
     "windows-iana": "^5.1.0"
   },
   "devDependencies": {