chore: use generic sets instead of the deprecated one

[zjx20]

Closes #8237.

[codecov]

Codecov Report

Attention: Patch coverage is 71.42857% with 2 lines in your changes missing coverage. Please review.

Project coverage is 61.52%. Comparing base (5cc108f) to head (64d449b).
Report is 8 commits behind head on main.

Files with missing lines	Patch %	Lines
pkg/common/env_resolve.go	0.00%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #8251      +/-   ##
==========================================
+ Coverage   61.18%   61.52%   +0.34%     
==========================================
  Files         348      348              
  Lines       40315    40416     +101     
==========================================
+ Hits        24665    24866     +201     
+ Misses      13407    13314      -93     
+ Partials     2243     2236       -7     

Flag	Coverage Δ
unittests	61.52% <71.42%> (+0.34%)	⬆️

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[zjx20]

/approve