Update version to 7.22.1

Release notes:

Diff

Diff: https://gitlab.com/gitlab-org/gitlab-qa/compare/v7.22.0...8fd81fb2f6318af2f5176e790e5bec0061976de2

Other changes (CI, backstage)

• Add qa_run_type to environment for use in test ... (!846 - merged)
• Add env var for resource reuse validation (!847 - merged)

Checklist

• 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.