RDS replication slot not creating asking for super user

[ChiragGangwani]

PGSync version: 2.5.0

Postgres version: 12

Elasticsearch version:

Redis version: latest

Python version: 3.10

Problem Description:

While running bootstrap command it showing that user needs to be super user for creating replication slot but i have my db in rds how to grant him access for replication because we have publication and subscription in rds.

Error Message (if any):

'PG_USER "sorted" needs to be superuser or have permission to read, create and destroy replication slots to perform this action.'