chore: temp file cleanup for sftp #21100

Job	Run time
Integration (oss)	3m 16s
Integration (enterprise)	3m 25s
Warehouse Integration (bigquery)	4m 48s
Package Unit (jobsdb)	2m 4s
Warehouse Integration (clickhouse)	4m 4s
Unit	10m 4s
Package Unit (integration_test/docker_test)	3m 18s
Warehouse Integration (datalake)	5m 57s
Package Unit (integration_test/kafka_batching)	3m 5s
Warehouse Integration (deltalake)	10m 52s
Package Unit (integration_test/multi_tenant_test)	2m 55s
Warehouse Integration (mssql)	3m 39s
Package Unit (integration_test/reporting_dropped_events)	3m 59s
Warehouse Integration (azure-synapse)	3m 39s
Package Unit (integration_test/reporting_error_index)	4m 38s
Warehouse Integration (postgres)	5m 14s
Package Unit (integration_test/warehouse)	6m 25s
Warehouse Integration (redshift)	15m 5s
Package Unit (integration_test/tracing)	5m 1s
Warehouse Integration (snowflake)	14m 51s
Package Unit (integration_test/backendconfigunavailability)	4m 45s
Package Unit (integration_test/trackedusersreporting)	4m 29s
Package Unit (processor)	6m 16s
Package Unit (regulation-worker)	1m 43s
Package Unit (router)	9m 44s
Package Unit (services)	5m 6s
Package Unit (services/rsources)	3m 14s
Package Unit (suppression-backup-service)	40s
Package Unit (warehouse)	9m 54s
All	3s
Coverage	43s
	2h 42m 56s

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