Bump send and expo in /webrtc-js

Bumps [send](https://github.com/pillarjs/send) and [expo](https://github.com/expo/expo/tree/HEAD/packages/expo). These dependencies needed to be updated together.

Updates `send` from 0.18.0 to 0.19.1
- [Release notes](https://github.com/pillarjs/send/releases)
- [Changelog](https://github.com/pillarjs/send/blob/master/HISTORY.md)
- [Commits](https://github.com/pillarjs/send/commits)

Updates `expo` from 51.0.14 to 52.0.24
- [Changelog](https://github.com/expo/expo/blob/main/packages/expo/CHANGELOG.md)
- [Commits](https://github.com/expo/expo/commits/HEAD/packages/expo)

---
updated-dependencies:
- dependency-name: send
  dependency-type: indirect
- dependency-name: expo
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <[email protected]>