test(rabbitmq): declare exchange and queue as durable

[Tranquility2]

Problem

test_docker_run_rabbitmq fails on all 4 parametrized cases against rabbitmq:latest (currently 4.x):

pika.exceptions.ConnectionClosedByBroker: (541, 'INTERNAL_ERROR -
Feature `transient_nonexcl_queues` is deprecated.
By default, this feature is not permitted anymore.')

The earlier IncompatibleProtocolError / StreamLostError lines in CI logs were a downstream symptom of the broker dropping the connection after the rejected queue declaration.

Fix

Declare both the exchange and the queue as durable=True. RabbitMQ 4.x disallows transient non-exclusive queues by default; durable is the supported replacement and is appropriate for an integration test that publishes/consumes a single message.

Verification

uv run pytest -q modules/rabbitmq/tests/test_rabbitmq.py — 4 passed locally against rabbitmq:latest.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 83.29%. Comparing base (be4c857) to head (15cf24b).

Additional details and impacted files

@@ Coverage Diff @@## main #1037 +/- ##
=======================================
Coverage 83.29% 83.29% =======================================
Files 16 16 Lines 1754 1754 Branches 193 193 =======================================
Hits 1461 1461 Misses 236 236 Partials 57 57 

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[alexanderankin]

can you guys coordinate? @CarliJoy? - I'm trying my best not to merge any PRs until after the src layout migration which i greenlit because the only other long standing PR which is strongly desired is the reusable containers one.

[Tranquility2]

Superseded by 2622736 on main (fix(rabbitmq): declare queue as durable).
tests/community/rabbitmq/test_rabbitmq.py now uses channel.queue_declare(QUEUE, durable=True, arguments={}), which addresses the same flaky-test issue.
Closing.