refactor: use the built-in max/min to simplify the code

[criciss]

In Go 1.21, the standard library includes built-in max/min function, which can greatly simplify the code.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 93.17%. Comparing base (b12f646) to head (01b45be).
⚠️ Report is 5 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #2966      +/-   ##
==========================================
+ Coverage   93.08%   93.17%   +0.09%     
==========================================
  Files          43       43              
  Lines        4510     4501       -9     
==========================================
- Hits         4198     4194       -4     
+ Misses        195      189       -6     
- Partials      117      118       +1     

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[aldas]

LGTM