[ServiceBus] Add push mode samples to timed samples section

[swathipil]

To be completed after issue: #16617

Summary

A few of the SB samples run forever because of push mode. Currently, we choose to ignore these samples when testing in the live test pipeline. This is done by listing the samples in the IGNORED_SAMPLES of scripts/devops_tasks/test_run_samples.py. In order to test as many samples as possible, we should allow push-mode samples to run for a limited period of time then timeout.

Scope of work

Add the following push-mode samples to the TIMED_SAMPLES section in scripts/devops_tasks/test_run_samples.py. Since this issue should be completed after #16617 , the TIMED_SAMPLES section should already be in place.

Success Criteria

• Add SB push-mode samples to the TIMED_SAMPLES section.
• Remove those samples from IGNORED_SAMPLES section.

[swathipil]

long-running samples to add to timed section:

SYNC
        "failure_and_recovery.py",
        "proxy.py",
        "receive_iterator_queue.py",
        "session_pool_receive.py",
ASYNC
        "proxy_async.py",
        "receive_iterator_queue_async.py",
        "session_pool_receive_async.py"

[swathipil]

as per @yunhaoling 's comments in #17139, update : "auto_lock_renew(_async), those two don't receive forever"