support Webhook send after the "Completed metrics update" phase

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### Current Behavior:
hi,team:
The Enhancement Request is as follows:
when webhook use the group "BOM_PROCESSED"，webhook Send in this case:

at this point,Policy Analysis is not yet complete,request the the violation api cannot get the latest data

### Proposed Behavior:
hope provide a group option is after the "Completed metrics update" of the project,use this group ,when receive the webhook,request the violation api can get the latest data
thans!