CI: Use E2B Prod API Key for publish #266

Job	Run time
charts-tests / Chart Data Extractor - Build and test	33s
build-template / Build E2B Template	11m 5s
python-sdk / Python SDK - Build and test	3m 20s
performance-tests / Performance tests	1m 41s
js-sdk / JS SDK - Build and test	1m 54s
cleanup-build-template / Cleanup Build Template	19s
	18m 52s

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