Update dependency RavenDB.Embedded to v7 #8939

Job	Run time
db-container / db-container	1m 2s
containers / servicecontrol-monitoring	1m 46s
containers / servicecontrol-audit	1m 27s
windows-installers / build	3m 12s
containers / servicecontrol	1m 32s
Windows-PrimaryRavenPersistence	2m 49s
Windows-AzureServiceBus	2m 41s
Windows-PrimaryRavenAcceptance	2m 22s
Windows-SqlServer	2m 23s
Windows-SQS	2m 32s
Windows-MSMQ	2m 17s
Windows-Default	2m 29s
Windows-PostgreSQL	2m 27s
Windows-RabbitMQ	2m 53s
Linux-SQS	1m 41s
Linux-IBMMQ	1m 36s
Linux-PrimaryRavenAcceptance	1m 39s
Linux-RabbitMQ	1m 39s
Windows-AzureStorageQueues	2m 42s
Linux-PrimaryRavenPersistence	1m 52s
Linux-SqlServer	1m 49s
Linux-AzureStorageQueues	1m 40s
Linux-PostgreSQL	1m 18s
Linux-AzureServiceBus	1m 40s
Linux-Default	1m 43s
container-test	-1s
	51m 10s

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