Set reaper rate to minimum value

[levkk]

Fix #157

[codecov[bot]]

Codecov Report

Patch coverage: 100.00% and project coverage change: +0.80 :tada:

Comparison is base (040b7dc) 74.28% compared to head (d6e498c) 75.08%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #158      +/-   ##
==========================================
+ Coverage   74.28%   75.08%   +0.80%     
==========================================
  Files           6        6              
  Lines         556      562       +6     
==========================================
+ Hits          413      422       +9     
+ Misses        143      140       -3     

Impacted Files	Coverage Δ
bb8/src/api.rs	65.49% <100.00%> (+3.07%)	:arrow_up:

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