Add new third party logos

Purpose

Add new illustrations to be used for Update trial column on trials_registrations/new (gitlab#409419 - closed)

Figma

Approvals had been received since these illustration also used for about.gitlab.com:

gitlab#409419 (comment 1515907067)

Screenshots

Checklist

For a new icon and/or illustration:

• Link to related design issue:
• If this adds an icon ensure that it follows the new icon checklists.
• If this adds an illustration ensure that it follows the new illustration checklists.

For third-party trademarks:

• If this adds or updates an icon or illustration that includes a third-party trademark, ensure that it follows the process for adding third-party trademarks to GitLab.