Bump version

• Diff: v7.7.2...87ee2c19

• Release notes:

### Other changes (CI, backstage)

- !746 Decouple hardcoded issue links from reporter (Temporarily disable ResultsInIssues)

• 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.