cmd/atlas: allow run sqlserver docker #994

Job	Run time
integration-mysql56	1m 30s
integration-mysql57	1m 32s
integration-maria102	1m 37s
integration-maria103	1m 24s
integration-maria107	1m 23s
integration-mysql8	1m 37s
integration-postgres10	1m 48s
integration-postgres-ext-postgis	1m 51s
integration-postgres11	1m 55s
integration-postgres12	1m 42s
integration-postgres13	1m 43s
integration-postgres14	1m 53s
integration-sqlite	1m 3s
integration-postgres15	1m 54s
integration-tidb5	1m 57s
integration-tidb6	1m 52s
integration-cockroach	1m 23s
	28m 4s

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