chore: bump @well-known-components/test-helpers from 1.5.2 to 1.5.8

Bumps [@well-known-components/test-helpers](https://github.com/well-known-components/test-helpers) from 1.5.2 to 1.5.8.
- [Release notes](https://github.com/well-known-components/test-helpers/releases)
- [Commits](well-known-components/test-helpers@1.5.2...1.5.8)

---
updated-dependencies:
- dependency-name: "@well-known-components/test-helpers"
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]