Merge branch 'nik-fix-logical-config' into 'master'

source.type can be "rdsIam", not "rds"

See merge request postgres-ai/database-lab!659

Author: NikolayS

engine/configs/config.example.logical_generic.yml

@@ -202,7 +202,7 @@ retrieval:
 
         # Source of data.
         source:
-          # Source types: "local", "remote", "rds"
+          # Source types: "local", "remote", "rdsIam"
           type: remote
 
           # Connection parameters of the database to be dumped.