chore: bump actions/setup-go from 6 to 7

Bumps [actions/setup-go](https://github.com/actions/setup-go) from 6 to 7.
- [Release notes](https://github.com/actions/setup-go/releases)
- [Commits](https://github.com/actions/setup-go/compare/v6...v7)

---
updated-dependencies:
- dependency-name: actions/setup-go
  dependency-version: '7'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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