## Problem
https://github.com/neondatabase/neon/issues/7570
Even triggers are supported only for superusers.
## Summary of changes
Temporary switch to superuser when even trigger is created and disable
execution of user's even triggers under superuser.
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Co-authored-by: Dimitri Fontaine <dim@tapoueh.org>
Co-authored-by: Konstantin Knizhnik <knizhnik@neon.tech>
