fix(handlers): return 499 on client cancel for get-server endpoints#1401

piyushbag wants to merge 2 commits into

modelcontextprotocol:mainmodelcontextprotocol/registry:mainfrom

piyushbag:fix/1323-handler-cancellation-get-endpointspiyushbag/registry:fix/1323-handler-cancellation-get-endpointsCopy head branch name to clipboard