[2.4.0] Checkmk Werk 16829 created: Notify users on account security changes

[//]: # (werk v2) # Notify users on account security changes key | value ---------- | --- date | 2024-04-26T12:20:30+00:00 version | 2.4.0b1 class | feature edition | cre component | wato level | 1 compatible | yes Checkmk will now notify users on security changes to their accounts within Checkmk. By default users will be emailed if this option is configured, otherwise users will be notfied via the internal user messaging system. Notifications within Checkmk cannot be deleted by any user however the display duration of these notifications can be configured. The default of 7 days with a minimum of 15 minutes.