Bumps [github.com/xanzy/ssh-agent](https://github.com/xanzy/ssh-agent) from 0.2.1 to 0.3.1.
- [Release notes](https://github.com/xanzy/ssh-agent/releases)
- [Commits](https://github.com/xanzy/ssh-agent/compare/v0.2.1...v0.3.1

)

---
updated-dependencies:
- dependency-name: github.com/xanzy/ssh-agent
  dependency-type: direct:production
  update-type: version-update:semver-minor
...
Signed-off-by: dependabot[bot] <support@github.com>