e2e: update rook #868

Job	Run time
build (3Mi, backup-failure)	29m 11s
build (3Mi, change-to-standalone)	20m 48s
build (3Mi, change-to-primary)	28m 23s
build (3Mi, incr-backup)	32m 1s
build (3Mi, full-backup)	28m 11s
build (10Mi, various-transfer-part-size)	21m 0s
build (3Mi, change-to-secondary)	27m 30s
build (200Gi, various-transfer-part-size)	21m 38s
build (3Mi, !//)	36m 40s
	4h 5m 22s

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