build(deps): bump libp2p-gossipsub from 0.49.3 to 0.49.4 (#3558)

Bumps [libp2p-gossipsub](https://github.com/libp2p/rust-libp2p) from 0.49.3 to 0.49.4.
- [Release notes](https://github.com/libp2p/rust-libp2p/releases)
- [Changelog](https://github.com/libp2p/rust-libp2p/blob/master/CHANGELOG.md)
- [Commits](https://github.com/libp2p/rust-libp2p/commits)

---
updated-dependencies:
- dependency-name: libp2p-gossipsub
  dependency-version: 0.49.4
  dependency-type: indirect
...

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