Composer: prevent a lock file from being created #9776

Job	Run time
Core running from build / Core running from build / Linux	2m 5s
Core running from src / Core running from src / Linux	1m 51s
Core running from build / Core running from build / Windows	3m 57s
Core running from src / Core running from src / Windows	3m 32s
Core running from build / Core running from build / MacOS	1m 38s
Core running from src / Core running from src / MacOS	1m 37s
Gutenberg running from build / Gutenberg running from build / Linux	7m 47s
Gutenberg running from src / Gutenberg running from src / Linux	8m 7s
Gutenberg running from build / Gutenberg running from build / Windows	11m 57s
Gutenberg running from src / Gutenberg running from src / Windows	11m 0s
Gutenberg running from build / Gutenberg running from build / MacOS	22m 31s
Gutenberg running from src / Gutenberg running from src / MacOS	7m 43s
Slack Notifications	0s
Failed workflow tasks	0s
	1h 23m 45s

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