List all the searches of remote Vaults (External Targets) that
have run or are running on this Cohesity Cluster.
A search finds Protection Jobs that have archived to a
Vault (External Target).
This is part of the CloudRetrieve functionality for finding and restoring
archived data from remote Vaults to an alternative (non-original) Cluster.

NOTE: A Vault is equivalent to an External Target in the Cohesity Dashboard.
A search Job is equivalent to a search task in the Cohesity Dashboard.