Risingwave doesn't store postgres citext values

[Bulbashful]

Describe the bug

RisingWave stores empty string instead of varchar when using postgrescitext type

Error message/log

rw-streaming actor{otel.name="Actor 14" actor_id=14 prev_epoch=7295910197198848 curr_epoch=7295910262931456}:executor{otel.name="StreamCdcScan E00002715"}: risingwave_connector::parser::postgres: parse column failed column="text" error=error deserializing column 5: cannot convert between the Rust type `core::option::Option<risingwave_connector::parser::scalar_adapter::ScalarAdapter>` and the Postgres type `citext` suppressed_count=3999

To Reproduce

Just use postgres-cdc tables with citext datatypes

Expected behavior

Values have CHARACTER VARYING type

How did you deploy RisingWave?

No response

The version of RisingWave

PostgreSQL 13.14.0-RisingWave-2.0.1 (0d15632)

Additional context

No response