v.4.26.4

Improvements:

1. Service dependencies were updated.

2. [LUNA-7746] Added resources for event deletion(See deleteEvent) and general event deletion (See deleteGeneralEvent ) by their event_id.

Bugs fixed:

1. [LUNA-7757] Fixed the list of available targets and filters for events statistics represented in documentation. See events stats and general events stats

Migration:

See a migration manual.