tests

Enforce scubaclient version #3686

Job	Run time
build	1m 42s
linting-coverage	1m 21s
kmip-ft-tests	1m 14s
ceph-backend-test	13m 36s
file-ft-tests	11m 26s
mongo-v0-ft-tests	11m 21s
multiple-backend	2m 4s
quota-tests (With Inflights, true)	1m 28s
utapi-v2-tests	1m 23s
quota-tests (Without Inflights, false)	1m 11s
mongo-v1-ft-tests	11m 29s
	58m 15s

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