GHSA-88HF-WF7H-7W4M OpenTelemetry's Zipkin remote endpoint cache could grow without bounds and increase memory pressure

Summary The Zipkin exporter remote endpoint cache accepted unbounded key growth derived from span attributes. In high-cardinality scenarios, this could increase process memory usage over time and degrade availability. Details - Introduce a bounded, thread-safe LRU cache for remote endpoints. -...