Add team for community codeowners

[haydentherapper]

Will be used as a second team besides TSC to have codeowners for the community configuration.

Summary

Release Note

Documentation

[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/cb59dbee-f33e-4495-a3f7-14dcf6c4bc4a

@ Previewing update.....
pulumi:pulumi:Stack: (same)
[urn=urn:pulumi:github-prod::sigstore-github-sync::pulumi:pulumi:Stack::sigstore-github-sync-github-prod]
+ github:index/team:Team: (create) 🔒
    [urn=urn:pulumi:github-prod::sigstore-github-sync::github:index/team:Team::community-codeowners]
    [provider=urn:pulumi:github-prod::sigstore-github-sync::pulumi:providers:github::default_6_2_1::c4864a06-f2c2-4a7a-b9b8-d9a955761310]
    createDefaultMaintainer: false
    description            : "Team for codeowners for community configuration"
    name                   : "community-codeowners"
    parentTeamId           : ""
    privacy                : "closed"
@ Previewing update....
Resources:
+ 1 to create
591 unchanged