re-implement data usage crawler to be more efficient (#9075)

Implementation overview: 

https://gist.github.com/klauspost/1801c858d5e0df391114436fdad6987b

pkg/event/target/amqp.go

@@ -49,6 +49,8 @@ type AMQPArgs struct {
 	QueueLimit   uint64   `json:"queueLimit"`
 }
 
+//lint:file-ignore ST1003 We cannot change these exported names.
+
 // AMQP input constants.
 const (
 	AmqpQueueDir   = "queue_dir"