Create new team for model_transparency

[mihaimaruseac]

Summary

Adding a new team for model_transparency repository which was adopted after sigstore/TSC#49.

Will create the repo in next PR

Release Note

NONE

Documentation

NONE

[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/8f7c9343-4423-4bed-b4bf-55e0f8cdd487

@ 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::model-transparency-codeowners]
    createDefaultMaintainer: false
    description            : "Code owners for ML model transparency"
    name                   : "model-transparency-codeowners"
    parentTeamId           : ""
    privacy                : "closed"
@ Previewing update....
Resources:
+ 1 to create
573 unchanged