chore: Bump @hashgraph/sdk from 2.50.0 to 2.55.1

Bumps [@hashgraph/sdk](https://github.com/hashgraph/hedera-sdk-js) from 2.50.0 to 2.55.1.
- [Release notes](https://github.com/hashgraph/hedera-sdk-js/releases)
- [Changelog](https://github.com/hashgraph/hedera-sdk-js/blob/main/CHANGELOG.md)
- [Commits](hashgraph/hedera-sdk-js@v2.50.0...v2.55.1)

---
updated-dependencies:
- dependency-name: "@hashgraph/sdk"
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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