fix: dispose native handles on audio/video stream EOS#637

LautaroPetaccio wants to merge 3 commits intolivekit:mainlivekit/node-sdks:mainfrom

LautaroPetaccio:fix/dispose-stream-handles-on-eosLautaroPetaccio/node-sdks:fix/dispose-stream-handles-on-eosCopy head branch name to clipboard