Async Sandbox - Run code output handlers are never awaited #224

Job	Run time
charts-tests / Chart Data Extractor - Build and test	34s
build-template / Build E2B Template	9m 50s
js-sdk / JS SDK - Build and test	2m 6s
python-sdk / Python SDK - Build and test	3m 47s
performance-tests / Performance tests	1m 43s
cleanup-build-template / Cleanup Build Template	40s
	18m 40s

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