Unpin a build (no-op if not pinned)
Snapshot Setup (Organization)
Unpin a build (no-op if not pinned)
Unpin the org if and only if it is currently pinned to build_id.
No-op (still 204) when the org is not pinned to this build.
DELETE
Unpin a build (no-op if not pinned)
Permissions
Requires a service user with theManageOrgSnapshots permission at the organization level.
