Cleanup members without teams, add rekor-monitor maintainer

[haydentherapper]

Adds a maintainer for rekor-monitor, removes members without teams. Also sync who is in the security response team.

Summary

Release Note

Documentation

[haydentherapper]

@cpanato will need to unlock users for deletion

@bobcallaway @trevrosen @lukehinds @priyawadhwa for approval

[github-actions]

🍹 preview on sigstore-github-sync/sigstore/github-prod

Pulumi report

Previewing update (sigstore/github-prod)

View Live: https://app.pulumi.com/sigstore/sigstore-github-sync/github-prod/previews/31e95756-dd5a-4dc5-98c7-f610a89fb762

@ Previewing update.....
pulumi:pulumi:Stack: (same)
[urn=urn:pulumi:github-prod::sigstore-github-sync::pulumi:pulumi:Stack::sigstore-github-sync-github-prod]
  github:index/membership:Membership: (same) 🔒
    [id=sigstore:naveensrinivasan]
    [urn=urn:pulumi:github-prod::sigstore-github-sync::github:index/membership:Membership::naveensrinivasan]
    downgradeOnDestroy: false
    role              : "member"
    username          : "naveensrinivasan"
+ github:index/teamMembership:TeamMembership: (create)
    [urn=urn:pulumi:github-prod::sigstore-github-sync::github:index/teamMembership:TeamMembership::loosebazooka-rekor-monitor-codeowners]
    role      : "member"
    teamId    : "4722221"
    username  : "loosebazooka"
~ github:index/teamMembership:TeamMembership: (update)
    [id=4721514:haydentherapper]
    [urn=urn:pulumi:github-prod::sigstore-github-sync::github:index/teamMembership:TeamMembership::haydentherapper-security-response-team]
  ~ role: "maintainer" => "member"
@ Previewing update....
+ github:index/teamMembership:TeamMembership: (create)
    [urn=urn:pulumi:github-prod::sigstore-github-sync::github:index/teamMembership:TeamMembership::codysoyland-security-response-team]
    role      : "member"
    teamId    : "4721514"
    username  : "codysoyland"
@ Previewing update....
- github:index/membership:Membership: (delete)
    [id=sigstore:coyote240]
    [urn=urn:pulumi:github-prod::sigstore-github-sync::github:index/membership:Membership::coyote240]
    downgradeOnDestroy: false
    role              : "member"
    username          : "coyote240"
- github:index/membership:Membership: (delete)
    [id=sigstore:kpk47]
    [urn=urn:pulumi:github-prod::sigstore-github-sync::github:index/membership:Membership::kpk47]
    downgradeOnDestroy: false
    role              : "member"
    username          : "kpk47"
- github:index/teamMembership:TeamMembership: (delete)
    [id=4721514:asraa]
    [urn=urn:pulumi:github-prod::sigstore-github-sync::github:index/teamMembership:TeamMembership::asraa-security-response-team]
    role      : "maintainer"
    teamId    : "4721514"
    username  : "asraa"
- github:index/teamMembership:TeamMembership: (delete)
    [id=4721514:dlorenc]
    [urn=urn:pulumi:github-prod::sigstore-github-sync::github:index/teamMembership:TeamMembership::dlorenc-security-response-team]
    role      : "maintainer"
    teamId    : "4721514"
    username  : "dlorenc"
- github:index/membership:Membership: (delete)
    [id=sigstore:n3wscott]
    [urn=urn:pulumi:github-prod::sigstore-github-sync::github:index/membership:Membership::n3wscott]
    downgradeOnDestroy: false
    role              : "member"
    username          : "n3wscott"
Resources:
+ 2 to create
~ 1 to update
- 5 to delete
8 changes. 567 unchanged