Bump version to 5.10.1

• Diff: https://gitlab.com/gitlab-org/gitlab-qa/compare/v5.10.0...82eff5d333f1e5f0c6037963f04984633d855ffd

• Release notes:

### Fixes

- !453 Retry all system call errors and parsing errors

• 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:

  • Create a tag for the new release version.