Bump react-native-navigation from 7.11.2 to 7.11.3 in /example (#32)

Bumps [react-native-navigation](https://github.com/wix/react-native-navigation) from 7.11.2 to 7.11.3.
- [Release notes](https://github.com/wix/react-native-navigation/releases)
- [Changelog](https://github.com/wix/react-native-navigation/blob/master/CHANGELOG.md)
- [Commits](https://github.com/wix/react-native-navigation/compare/7.11.2...7.11.3)

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

example/package.json

@@ -17,7 +17,7 @@
     "react": "16.13.1",
     "react-native": "0.63.4",
     "react-native-gesture-handler": "^1.10.3",
-    "react-native-navigation": "^7.11.2",
+    "react-native-navigation": "^7.11.3",
     "react-native-reanimated": "^2.0.0",
     "react-native-static-safe-area-insets": "^2.1.1",
     "react-native-vector-icons": "^8.0.0",