adding context to FAQ section for redshift serverless

we do not support redshift servless and adding context in the FAQ section

Author: charholt

src/connections/storage/catalog/redshift/index.md

@@ -146,3 +146,7 @@ You can also unload data to a s3 bucket and then load the data into another Reds
 ### Can I use an SSH tunnel to connect to my Redshift instance?
 
 Segment does not currently support SSH tunneling to Redshift. You can usually allow Segment's ETL to write to Redshift without leaving the cluster available to other connections by using IP level restrictions.
+
+### Do you support Redshift Serverless?
+
+Segment does not currently support Serverless Redshift. While you are able to set up the connection in the Segment UI, we do not have the functionality to query Redshift's SYS tables.