Update version to 7.35.0

Diff

https://gitlab.com/gitlab-org/gitlab-qa/compare/v7.34.0...b16ea3ef9cc79a61f3998f9b86934a5338a9b365

Release notes:

Other changes (CI, backstage)

• Add frozen_string_literal magic comments to rub... (!980 - merged)
• Clear shellout error backtrace (!985 - merged)
• Use native container healthcheck to determine g... (!986 - merged)
• Update user roles in license seeding script (!988 - merged)

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.