Bump github.com/attestantio/go-builder-client from 0.4.2 to 0.4.5 (#638)

Bumps [github.com/attestantio/go-builder-client](https://github.com/attestantio/go-builder-client) from 0.4.2 to 0.4.5.
- [Commits](attestantio/go-builder-client@v0.4.2...v0.4.5)

---
updated-dependencies:
- dependency-name: github.com/attestantio/go-builder-client
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>