LITE-18627 Added prefetch count for RabbitMQ

[net-free]

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[codecov-commenter]

Codecov Report

Merging #39 (13e9bbe) into master (e73f923) will decrease coverage by 0.03%.
The diff coverage is 83.33%.

@@            Coverage Diff             @@
##           master      #39      +/-   ##
==========================================
- Coverage   95.63%   95.59%   -0.04%     
==========================================
  Files          31       31              
  Lines        1649     1658       +9     
==========================================
+ Hits         1577     1585       +8     
- Misses         72       73       +1     

Impacted Files	Coverage Δ
dj_cqrs/transport/rabbit_mq.py	85.83% <71.42%> (+0.06%)	⬆️
dj_cqrs/utils.py	93.54% <87.50%> (-6.46%)	⬇️
dj_cqrs/constants.py	100.00% <100.00%> (ø)

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[d3rky]

Tests are passed - some issues with uploading coverage

[Szejdi]

Hey,

I've found that this Pull Request is breaking cqrs_dead_letters retry command.

_get_consumer_settings used to return 2 arguments and with this change it start to return tuple of 3,
which is breaking init_broker method in above mentioned command.
Exact line:

queue_name, dead_letter_queue_name = RabbitMQTransportService.get_consumer_settings()

is raising ValueError: too many values to unpack (expected 2)

[maxipavlovic]

@Szejdi thank you very much. We will fix that!

[maxipavlovic]

@Szejdi fixed in 1.13.2