Bump actions/setup-go from 2.1.5 to 2.2.0 (#663)

* Bump actions/setup-go from 2.1.5 to 2.2.0

Bumps [actions/setup-go](https://github.com/actions/setup-go) from 2.1.5 to 2.2.0.
- [Release notes](https://github.com/actions/setup-go/releases)
- [Commits](https://github.com/actions/setup-go/compare/424fc82d43fa5a37540bae62709ddcc23d9520d4...bfdd3570ce990073878bf10f6b2d79082de49492

)

---
updated-dependencies:
- dependency-name: actions/setup-go
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

* update version in comment

Signed-off-by: Bob Callaway <bob.callaway@gmail.com>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Bob Callaway <bob.callaway@gmail.com>