Add Kafka messaging support

[mvalik]

JIRA: RHELWF-13775

Assisted-by: Opus 4.6

[codecov]

Codecov Report

❌ Patch coverage is 98.70968% with 2 lines in your changes missing coverage. Please review.
✅ Project coverage is 89.87%. Comparing base (a93f833) to head (75772fe).

Files with missing lines	Patch %	Lines
tests/test_messaging_kafka.py	97.67%	0 Missing and 2 partials ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##           develop     #416      +/-   ##
===========================================
+ Coverage    89.36%   89.87%   +0.51%     
===========================================
  Files           23       24       +1     
  Lines         2595     2746     +151     
  Branches       188      197       +9     
===========================================
+ Hits          2319     2468     +149     
  Misses         225      225              
- Partials        51       53       +2     

Flag	Coverage Δ
unit-tests	89.87% <98.70%> (+0.51%)	⬆️

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[hluk]

One minor comment, otherwise LGTM!