Dragonfly v2.2.0 has been released

Dragonfly v2.2.0 introduces a Rust-based client, bandwidth rate limiting for prefetching, and enhanced Harbor integration for preheating images. The new release also optimizes client's I/O performance, defines a new P2P protocol, and supports distributed rate limiting across clusters. Various significant bug fixes and improvements have been implemented. The Nydus and Console components have also received updates with added functionalities and a redesigned UI. Observability enhancements recommend using Prometheus and Grafana for monitoring.