chore(util): add DeepCopyIntToStringMap to util

[luomingmeng]

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[codecov]

Codecov Report

Attention: Patch coverage is 0% with 9 lines in your changes missing coverage. Please review.

Project coverage is 60.62%. Comparing base (7017c9f) to head (bd3fb22).
Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
pkg/util/general/deepcopy.go	0.00%	9 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #778      +/-   ##
==========================================
- Coverage   60.76%   60.62%   -0.14%     
==========================================
  Files         604      604              
  Lines       63357    63366       +9     
==========================================
- Hits        38497    38414      -83     
- Misses      21015    21114      +99     
+ Partials     3845     3838       -7     

Flag	Coverage Δ
unittest	60.62% <0.00%> (-0.14%)	⬇️

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