providers/scim: clamp batch size for patch requests (cherry-pick #117… #25370

Job	Run time
lint (lint, web)	1m 29s
lint (lint, tests/wdio)	40s
lint (lint:lockfile, web)	1m 31s
lint (tsc, web)	1m 39s
lint (prettier-check, web)	1m 33s
lint (prettier-check, tests/wdio)	41s
lint (lit-analyse, web)	1m 35s
ci-web-mark	1s
test	1m 57s
build	1m 35s
	12m 41s

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