chore(deps): bump gclient from v1.0.2 to v1.0.4 in /contracts

Bumps [gclient](https://github.com/gear-tech/gear) from v1.0.2 to v1.0.4.
- [Release notes](https://github.com/gear-tech/gear/releases)
- [Changelog](https://github.com/gear-tech/gear/blob/master/docker/Dockerfile-release)
- [Commits](gear-tech/gear@d02d306...d383807)

---
updated-dependencies:
- dependency-name: gclient
  dependency-type: direct:production
...

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