ScyllaDB release: version 1.4.2

ScyllaDB 1.4.2, a bugfix release of the ScyllaDB 1.4 stable branch, has been announced, addressing several issues while maintaining backward compatibility and supporting rolling upgrades. The release fixes a range of bugs, including those affecting internal queries to the authentication table, startup issues on machines with many cores, uninformative error messages, and handling of certain CQL and Thrift commands. It also resolves problems with Nodetool operations, JMX metrics, and cache behavior during range queries. Contributions from various developers have enhanced the system's stability by correcting histogram and moving average calculations, improving exception handling, and refining sstable management, ensuring smoother and more reliable database operations.