chore(cgroup): add condition compile for IsCgroupPath

[luomingmeng]

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Which issue(s) this PR fixes:

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[codecov]

Codecov Report

Attention: Patch coverage is 50.00000% with 4 lines in your changes missing coverage. Please review.

Project coverage is 56.26%. Comparing base (76e6c12) to head (bcf012a).
Report is 2 commits behind head on main.

Files with missing lines	Patch %	Lines
pkg/util/cgroup/manager/cgroup_linux.go	50.00%	3 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #732      +/-   ##
==========================================
+ Coverage   56.22%   56.26%   +0.03%     
==========================================
  Files         597      598       +1     
  Lines       68033    68033              
==========================================
+ Hits        38252    38277      +25     
+ Misses      25714    25692      -22     
+ Partials     4067     4064       -3     

Flag	Coverage Δ
unittest	56.26% <50.00%> (+0.03%)	⬆️

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