Audit Armada maintainers records

[riaankleinhans]

• Update internal CNCF spreadsheet
  • Update owners file link in spreadsheet
  • Check maintainer-d
• Check https://github.com/cncf/foundation/ PR against owners file
• Update Service desk access
• Update maintainers groups.io members

Related to: #1241

[riaankleinhans]

Several maintainer email addresses missing. Sent a request to the project mailing list requesting the email addresses

[riaankleinhans]

Received the maintainer emails and updated all lists