Update dependency NServiceBus.Transport.AzureServiceBus to 6.4.1 #9111

Job	Run time
windows-installers / build	2m 23s
db-container / db-container	1m 7s
containers / servicecontrol	1m 3s
Windows-MSMQ	1m 56s
containers / servicecontrol-audit	1m 4s
Windows-AzureStorageQueues	1m 39s
Windows-PrimaryRavenPersistence	1m 40s
Linux-RabbitMQ	51s
Linux-AzureStorageQueues	55s
Linux-SqlServer	55s
Linux-Default	1m 5s
Linux-AzureServiceBus	57s
Windows-SQS	2m 59s
Windows-AzureServiceBus	1m 58s
Windows-Default	2m 12s
Windows-RabbitMQ	2m 11s
Linux-SQS	1m 18s
Linux-PostgreSQL	51s
Linux-PrimaryRavenPersistence	47s
Windows-SqlServer	1m 52s
Windows-PrimaryRavenAcceptance	2m 37s
Windows-PostgreSQL	1m 59s
Linux-IBMMQ	1m 9s
Linux-PrimaryRavenAcceptance	52s
containers / servicecontrol-monitoring	1m 12s
container-test	0s
	37m 32s

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