6.8.0

🎁 Features
• Add designTokens to Colors type (#1758)
• Slider - Add RTL support (#1770)

🔧 Fixes
• GridView - Support renderCustomItem prop (#1775)
• TouchableOpacity - fix style's type (#1767)
• Picker.Item - Add proper labelStyle prop type (#1759)

💡 Deprecations & Migrations
• Migrate to Icon component (#1778)

⚙️ Maintenance & Infra
• Upgrade gesture-handler to v2 (#1771)
• Update design tokens after sync (#1773)
• TabController - Remove react-freeze optimization (#1784)