ci: tweak discover docker-compose install #760

Job	Run time
build-ceph	1m 51s
build	9m 45s
demo	3m 46s
pytest (cli)	2m 17s
pytest (cli_change_lb)	7m 24s
ha (sanity)	3m 49s
discovery (container)	4m 18s
pytest (state)	2m 18s
ha (state_transitions)	3m 19s
discovery (embedded)	3m 44s
pytest (multi_gateway)	2m 44s
ha (state_transitions_both_gws)	4m 44s
pytest (server)	2m 38s
ha (state_transitions_loop)	11m 33s
pytest (grpc)	2m 55s
ha (state_transitions_rand_loop)	16m 38s
ha (late_registration)	4m 26s
pytest (omap_lock)	4m 56s
ha (late_registration_loop)	12m 43s
pytest (old_omap)	2m 7s
ha (4gws)	5m 27s
pytest (log_files)	3m 3s
ha (4gws_loop)	7m 20s
pytest (nsid)	3m 51s
ha (4gws_create_delete)	5m 41s
ha (4gws_create_delete_loop)	6m 43s
ha (namespaces)	8m 27s
ha (namespaces_loop)	13m 31s
ha (mtls)	3m 45s
ha (notify)	2m 19s
push-images-to-private-registry	0s
push-images-to-ceph-registry	0s
	2h 48m 2s

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