Bump version to 5.13.7

• Diff: v5.13.6...0f6024f6

• Release notes:

### Fixes

- !480 Use double quotes for parameters. This change also re-implements previous [changes that were reverted in `v5.13.6`](https://gitlab.com/gitlab-org/gitlab-qa/-/tags/v5.13.6):
  - !467 Don't skip pull by default.
  - !468 Extract component base class.
  - !474 Make sure we log into the registry when the image is private

### Doc changes

- !482 Add note about matching hostnames
- !481 Add note about admin access for repo storage move

• 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.