CAMEL-20266: Use high-level Azure Service Bus client

[dylanpiergies]

Description

Refactor Azure Service Bus consumer to use the high-level ServiceBusProcessorClient instead of ServiceBusReceiverAsyncClient. Amongst other benefits, the high-level client takes care of protocol errors, performs automatic re-connection and can support concurrent message consumption.

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[davsclaus]

Thanks for working on this

[oscerd]

Looks really promising and good. Thanks!

[dylanpiergies]

The integration tests have been rewritten and/or refactored to use common framework and are now functioning correctly. We still have 2 failures arising from CAMEL-20691; these failures should disappear once #13872 is merged.

Whilst I do still intend to continue to improve low-level unit test coverage, since the integration tests require a Service Bus namespace and do not run automatically during CI builds, we have now reached a state where we have scenario/coverage parity with the previously existing tests, therefore I am marking this PR ready to review.

[davsclaus]

Okay we have merged some other PRs so this PR needs to be updated thanks

[davsclaus]

Oh do you mind updating the upgrade guide doc about this change so users would be aware that some options are changed etc.

Add a section to
https://github.com/apache/camel/blob/main/docs/user-manual/modules/ROOT/pages/camel-4x-upgrade-guide-4_6.adoc