Function update 

pub async fn update(
    pool: &PgPool,
    actor: &Actor,
    id: Uuid,
    upd: ProjectUpdate<'_>,
) -> AppResult<Project>

Changes name, description, active flag and (administrators only) the linked identity-provider group of a project group.

Invariants

• Permission: the group is visible to the actor (“not found” otherwise) and the actor manages it (or is an administrator; 403).
• Locks: the group row (FOR UPDATE).
• Data: for non-administrators the IdP group stays as it is.
• Audit: project.update.
• Notifications / webhooks: none.
• Atomic: one transaction.