Bump version to 5.17.1

• Diff: v5.17.0...fd813b42

• Release notes:

### Fixes

- !505 Connect to Gitaly via TCP

### Doc changes

- !499 Document the `Test::Integration::GitalyCluster` scenario

### Other changes (CI, backstage)

- !501 Ignore gitlab-qa-report errors and allow script to continue

• 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.