Mention of the GitHub admin team's elevated access

Author: divya-mohan0209

sig-docs/netlify-access.md

@@ -6,6 +6,8 @@ The members listed below are, typically, co-chairs or leads.
 
 The list will need to be updated during the onboarding and offboarding from these roles.
 
+In addition to the folks below, members of the [GitHub Administration team](https://github.com/kubernetes/community/tree/master/github-management#github-administration-team) also have elevated access. 
+
 To learn more about the difference between the two roles, please refer to [Netlify's official docs](https://docs.netlify.com/accounts-and-billing/team-management/team-member-roles/#collaborators).
 
 ## Owner access