Rename `locator` to `integrationConfigLocator` #21037

Job	Run time
build	2m 48s
test	5m 39s
types	1m 38s
dead-code	1m 37s
generate-headers	1m 1s
lint	4m 2s
prettier	54s
end-to-end-tests / run-tests (chrome)	15m 47s
end-to-end-tests / run-tests (edge)	17m 14s
upload-to-codecov	13s
Create report	16s
	51m 9s

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