Support jsonb operation in raw

[miry]

I found there is a validation to check parameters with number of ? in the query src.
It is a false positive for jsonb operations in Postgresql (e.g ?|).

Example: User.raw("select id from users where groups ?| array['user']")

References: https://www.postgresql.org/docs/9.4/functions-json.html#FUNCTIONS-JSONB-OP-TABLE