Manticore Search 28.4.4: Faster KNN, better conversational search, easier installs and more faceting controls

Manticore Search 28.4.4 has been released. This release brings faster KNN rescoring, more flexible conversational search, a simpler install and upgrade path, better faceting controls, per-table relevance defaults, and fixes across authentication, replication, SQL compatibility, distributed queries, and columnar/KNN internals.