Add rate-limiting to bastion feeder

[AlCutter]

No description provided.

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 0% with 4 lines in your changes missing coverage. Please review.

Project coverage is 31.25%. Comparing base (3c58af4) to head (957cd1c).
Report is 121 commits behind head on main.

Files with missing lines	Patch %	Lines
cmd/feedbastion/main.go	0.00%	4 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##             main     #284       +/-   ##
===========================================
- Coverage   51.05%   31.25%   -19.81%     
===========================================
  Files          11       23       +12     
  Lines         903     1760      +857     
===========================================
+ Hits          461      550       +89     
- Misses        374     1112      +738     
- Partials       68       98       +30     

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