Update version

• Diff: https://gitlab.com/gitlab-org/gitlab-qa/compare/v7.18.0...6869e89708eca487f6eec30b538724ac289d5585

Fixes

• https://gitlab.com/gitlab-org/gitlab-qa/-/merge_requests/831+

Doc changes

• https://gitlab.com/gitlab-org/gitlab-qa/-/merge_requests/831+

• Checklist before merging:

  • Diff link is up-to-date.
  • Based on the diff, lib/gitlab/qa/version.rb is updated, according to SemVer.
  • Release notes are accurate.

• Checklist after merging:

  • Update the release notes for the newly created tag.