[Bug] Marking an alert as read do not update it's "updatedAt" field

### Request Type
Bug

### Work Environment
TheHive 4.1.14


### Problem Description
Marking as read an alert do not update it's updatedAt field

### Steps to Reproduce
1 - create an alert
2 - mark it as read

### Complementary information
both v0 and v1 API are impacted 