configure_rabbitmq: Always output to stdout handler

[ndevenish]

This was obfuscating errors, that were sent to graylog but no output from the actual run of the job. In this case, we do want output to stdout always.

[codecov]

Codecov Report

❌ Patch coverage is 0% with 3 lines in your changes missing coverage. Please review.
✅ Project coverage is 76.90%. Comparing base (106bce7) to head (78dd030).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #286      +/-   ##
==========================================
- Coverage   76.95%   76.90%   -0.06%     
==========================================
  Files          31       31              
  Lines        4530     4533       +3     
  Branches      321      322       +1     
==========================================
  Hits         3486     3486              
- Misses        975      978       +3     
  Partials       69       69              

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