feat(agents): support attributes on deploy/list, json on all cmds#887

rektdeckard wants to merge 4 commits into

mainlivekit/livekit-cli:mainfrom

tobiasfried/ap-888-add-cli-support-for-user-attributeson-cloud-agentslivekit/livekit-cli:tobiasfried/ap-888-add-cli-support-for-user-attributeson-cloud-agentsCopy head branch name to clipboard