[core-amqp] Make CbsClient.negotiateClaim cancellable

[chradek]

The CbsClient.negotiateClaim method in core-amqp is async, but doesn't currently accept an abortSignal. This means that if a connection is closed while the claim is being negotiated, the process won't exit until the operation timeout (default 60 seconds) has been reached.

This behavior can be reproduced using the sample provided in #9615.

In the sample, we close the EventHubConsumerClient, but then the process waits ~60 seconds before exiting while it waits for the timeout from the negotiateClaim call to be reached.

[ramya-rao-a]

Looks like we have RequestResponseLink.sendRequest() respecting the abort signal passed to it.
What we need to do is

• Ensure CbsClient.negotiateClaim() in core-amqp takes the abortSignal and passes it to sendRequest()
• Update Service Bus & Event Hubs, to pass the abortSignal to CbsClient.negotiateClaim()

Then there is the matter of CbsClient.init() not being cancellable. Not sure if we want to track that here or in #4422