Use npx for changeset #250

Job	Run time
build-template / Build E2B Template	9m 55s
charts-tests / Chart Data Extractor - Build and test	35s
js-sdk / JS SDK - Build and test	2m 3s
python-sdk / Python SDK - Build and test	4m 4s
performance-tests / Performance tests	1m 50s
cleanup-build-template / Cleanup Build Template	25s
	18m 52s

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