v8.3.4

## ✨ New Features

### Typing Events via Webhook
- Forward incoming ChatPresence (typing/paused) events through webhooks, enabling real-time presence awareness

### Document Thumbnail Preview
- Automatically generate and attach thumbnail previews for document messages (PDF support via poppler-utils)

### Media Metadata in Chat Storage
- Store media metadata (filename, mimetype, etc.) for sent messages in chat storage for improved history tracking

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## 🐛 Bug Fixes

- **Opus Audio Extension**: Parse `.opus` file extensions correctly for audio messages
- **Reaction Unreact**: Allow empty emoji in reaction requests to support unreacting
- **Document Thumbnail Security**: Patch thumbnail generation for security and resilience issues
- **Group Participants Phone Number**: Resolve incorrect `phone_number` in `/group/participants` and `/group/participant-requests` for `@lid` JIDs

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## 🔧 Technical Improvements

### Dependency Updates
- `go.mau.fi/whatsmeow`: Updated to latest version
- All Go dependencies kept up-to-date

### Build & Docker
- Optimized Dockerfile and added `poppler-utils` for PDF thumbnail support

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## What's Changed

- fix: parse opus file extensions correctly by @du-cki in https://github.com/aldinokemal/go-whatsapp-web-multidevice/pull/612
- fix: allow empty emoji in reaction request for unreacting by @Hanake0 in https://github.com/aldinokemal/go-whatsapp-web-multidevice/pull/608
- feat: add thumbnail preview for document messages by @pedroscardua in https://github.com/aldinokemal/go-whatsapp-web-multidevice/pull/617
- feat: forward incoming ChatPresence (typing) events via webhook by @matfire in https://github.com/aldinokemal/go-whatsapp-web-multidevice/pull/547
- fix: store media metadata for sent messages in chat storage by @aldinokemal
- fix: patch document thumbnail security and resilience issues by @aldinokemal
- fix: resolve wrong phone_number in /group/participants and /group/participant-requests for @lid JIDs by @aldinokemal
- chore: optimize Dockerfile and add poppler-utils for PDF thumbnails by @aldinokemal
- chore: update whatsmeow to latest by @aldinokemal

## New Contributors

- @du-cki made their first contribution in https://github.com/aldinokemal/go-whatsapp-web-multidevice/pull/612
- @Hanake0 made their first contribution in https://github.com/aldinokemal/go-whatsapp-web-multidevice/pull/608
- @pedroscardua made their first contribution in https://github.com/aldinokemal/go-whatsapp-web-multidevice/pull/617
- @matfire made their first contribution in https://github.com/aldinokemal/go-whatsapp-web-multidevice/pull/547

**Full Changelog**: https://github.com/aldinokemal/go-whatsapp-web-multidevice/compare/v8.3.3...v8.3.4