build(deps): bump solana-pubsub-client from 2.2.7 to 3.0.7

Bumps [solana-pubsub-client](https://github.com/anza-xyz/agave) from 2.2.7 to 3.0.7.
- [Release notes](https://github.com/anza-xyz/agave/releases)
- [Changelog](https://github.com/anza-xyz/agave/blob/master/CHANGELOG.md)
- [Commits](anza-xyz/agave@v2.2.7...v3.0.7)

---
updated-dependencies:
- dependency-name: solana-pubsub-client
  dependency-version: 3.0.7
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]