6.178.3. 更新 PUT

更新配额.

更新配额的示例：

PUT /ovirt-engine/api/datacenters/123/quotas/456

<quota>
  <cluster_hard_limit_pct>30</cluster_hard_limit_pct>
  <cluster_soft_limit_pct>70</cluster_soft_limit_pct>
  <storage_hard_limit_pct>20</storage_hard_limit_pct>
  <storage_soft_limit_pct>80</storage_soft_limit_pct>
</quota>