Explicitly declare default goals in Makefiles #503

Job	Run time
Deploy global resources	6m 34s
Build service images / build_push_backend	6m 14s
Build service images / build_push_frontend	6m 43s
Build service images / build_push_imagesync	4m 22s
Build service images / build_push_ocmirror	4m 19s
Deploy Image Sync	3m 34s
Deploy integrated DEV infrastructure / deploy_region_rg	4m 23s
Deploy CS PR infrastructure / deploy_region_rg	5m 10s
Deploy integrated DEV infrastructure / deploy_management_cluster_rg	9m 7s
Deploy integrated DEV infrastructure / deploy_service_cluster_rg	14m 34s
Deploy CS PR infrastructure / deploy_management_cluster_rg	8m 36s
Deploy CS PR infrastructure / deploy_service_cluster_rg	15m 28s
Deploy services to integrated DEV / deploy_to_service_cluster	4m 33s
Deploy services to integrated DEV / deploy_to_management_cluster	4m 16s
Deploy services to CS PR / deploy_to_management_cluster	4m 34s
Deploy services to CS PR / deploy_to_service_cluster	4m 54s
	1h 47m 21s

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