Subproject Lead access for Grace, Kat & Marko

[justaugustus]

Subproject leads — Please do not proceed with additional access grants until #2515 is resolved.

GitHub Username

@gracenng @katcosgrove @xmudrii

Chair/Technical Lead role

e.g., Chair, Technical Lead

Chair and Technical Lead Onboarding

All pull requests within these checklists should be marked with an explicit
hold and only released once approved by a SIG Release (subproject) owner.

• Addition of a new Release Manager has been discussed with and approved by
  SIG Release owners
• Ensure new Chair/Technical Lead:
  • Has joined the following mailing lists:
    • kubernetes-sig-release
    • kubernetes-release-team
    • kubernetes-dev
    • kubernetes-announce
    • release-managers
    • release-managers-private
  • Has joined the following Slack channels:
    • #sig-release
    • #release-management
  • Is a Kubernetes GitHub org member
  • Is part of the @kubernetes/sig-release-admins GitHub team
• Update Release Managers page to include the new Chair or Technical Lead

cc: @kubernetes/sig-release-admins