chore: bump RN to 0.85.0 (#3865)

## Description


https://react-native-community.github.io/upgrade-helper/?from=0.85.0-rc.7&to=0.85.0

In `FabricExample` bumps also `react-native-reanimated` to 4.3.0,
`react-native-worklets` to 0.8.1 and `react-native-gesture-handler` to
2.31.1:

https://docs.swmansion.com/react-native-reanimated/docs/guides/compatibility/

Closes
software-mansion/react-native-screens-labs#1121

## Changes

- update package.json files

## Before & after - visual documentation

N\A


## Test plan

Check if app builds and works properly in runtime.

## Checklist

- [ ] Included code example that can be used to test this change.
- [ ] For visual changes, included screenshots / GIFs / recordings
documenting the change.
- [ ] For API changes, updated relevant public types.
- [ ] Ensured that CI passes

Author: sgaczol