Show geo.log in the Admin area

What does this MR do?

Adds a tab button on the Admin Logs page (at /admin/logs), to display geo.log, just like the tab buttons for application.log and others.

Screenshots

Does this MR meet the acceptance criteria?

• Changelog entry added, if necessary
• [-] Documentation created/updated
• [-] API support added
• Tests
  • Added for this feature/bug
  • All builds are passing
• Conform by the merge request performance guides
• Conform by the style guides
• Branch has no merge conflicts with master (if it does - rebase it please)
• Squashed related commits together

What are the relevant issue numbers?