chore: Bump @hashgraph/sdk from 2.51.0 to 2.55.0 in /test/cypress

Bumps [@hashgraph/sdk](https://github.com/hashgraph/hedera-sdk-js) from 2.51.0 to 2.55.0.
- [Release notes](https://github.com/hashgraph/hedera-sdk-js/releases)
- [Changelog](https://github.com/hashgraph/hedera-sdk-js/blob/main/CHANGELOG.md)
- [Commits](hiero-ledger/hiero-sdk-js@v2.51.0...v2.55.0)

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

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

Author: dependabot[bot]