feat: implement background syncing for warehouse schema #23012

Job	Run time
Integration (oss)	4m 27s
Package Unit (jobsdb)	2m 7s
Integration (enterprise)	4m 26s
Package Unit (integration_test/docker_test)	5m 29s
Package Unit (integration_test/kafka_batching)	3m 36s
Unit	10m 37s
Package Unit (integration_test/multi_tenant_test)	3m 36s
Warehouse Integration (bigquery)	32m 46s
Package Unit (integration_test/reporting_dropped_events)	4m 35s
Warehouse Integration (clickhouse)	4m 54s
Package Unit (integration_test/reporting_error_index)	5m 35s
Warehouse Integration (datalake)	4m 4s
Package Unit (integration_test/warehouse)	6m 41s
Warehouse Integration (deltalake)	11m 56s
Package Unit (integration_test/tracing)	5m 50s
Warehouse Integration (mssql)	2m 49s
Package Unit (integration_test/backendconfigunavailability)	5m 3s
Warehouse Integration (azure-synapse)	2m 41s
Package Unit (integration_test/trackedusersreporting)	4m 36s
Warehouse Integration (postgres)	6m 29s
Package Unit (integration_test/snowpipestreaming)	10m 55s
Warehouse Integration (redshift)	22m 19s
Package Unit (processor)	7m 38s
Warehouse Integration (snowflake)	9m 33s
Package Unit (regulation-worker)	2m 7s
Package Unit (router)	10m 35s
Package Unit (services)	8m 13s
Package Unit (services/rsources)	3m 20s
Package Unit (services/dedup)	1m 24s
Package Unit (suppression-backup-service)	35s
Package Unit (warehouse)	10m 48s
All	3s
Coverage	0s
	3h 39m 47s

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