chore: upgrade to React 19, Expo 53, and React Native 0.79.5

[PHILLIPS71]

Summary

Overview

• React 19: Upgraded from 18.3.1 to 19.0.0
• Expo: Upgraded from 52.0.30 to 53.0.20
• React Native: Upgraded from 0.75.4 to 0.79.5

Key Changes

• Updated all React Native dependencies and peer dependencies
• Upgraded build tools: Metro config, ESLint plugins, TypeScript 5.8.3
• Added Hermes ESLint support and Jest Expo integration
• Updated iOS example project dependencies via Podfile.lock
• Fixed ESLint configuration and minor code adjustments
• Upgraded Yarn to 4.9.2 to fix TypeScript resolution

Closes

• React 19 #972

Test Plan

What's required for testing (prerequisites)?

What are the steps to reproduce (after prerequisites)?

Compatibility

OS	Implemented
iOS	✅
Android	✅

Checklist

• I have tested this on a device and a simulator
• I added the documentation in README.md
• I updated the typed files (TS and Flow)
• I added a sample use of the API in the example project (example/App.js)
• I have added automated tests, either in JS or e2e tests, as applicable