overload `Base.clamp()`/`Base.clamp!()` for clipping histogram bincounts

[Moelf]

Is Base.clamp a good name for this? or it's too ambiguous?

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 80.62%. Comparing base (2f26e2c) to head (d6fd559). Report is 32 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #119      +/-   ##
==========================================
+ Coverage   80.45%   80.62%   +0.17%     
==========================================
  Files          11       11              
  Lines         793      800       +7     
==========================================
+ Hits          638      645       +7     
  Misses        155      155              

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[Moelf]

bad pun