AI Summary: This issue proposes updating the default Cassandra version used in EnvMultinodeCassandra and default CassandraServer from v3 to v4. The primary motivation is that v3 has reached its End-of-Life. The core task involves modifying the `cu-cassandra.yaml` file located in the `test/resources` directory.
Official repository of Trino, the distributed SQL query engine for big data, formerly known as PrestoSQL (https://trino.io)