koordlet: support change pod CPUQOS by annotations

[j4ckstraw]

Ⅰ. Describe what this PR does

Ⅱ. Does this pull request fix one issue?

Ⅲ. Describe how to verify it

Ⅳ. Special notes for reviews

V. Checklist

• I have written necessary docs and comments
• I have added necessary unit tests and integration tests
• All checks passed in make test

[codecov]

Codecov Report

Attention: Patch coverage is 76.92308% with 3 lines in your changes missing coverage. Please review.

Project coverage is 66.27%. Comparing base (0466bf3) to head (91c0b68).
Report is 10 commits behind head on main.

Files with missing lines	Patch %	Lines
...et/runtimehooks/hooks/groupidentity/interceptor.go	76.92%	2 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2206      +/-   ##
==========================================
- Coverage   67.18%   66.27%   -0.92%     
==========================================
  Files         451      453       +2     
  Lines       43480    53188    +9708     
==========================================
+ Hits        29214    35250    +6036     
- Misses      11718    15397    +3679     
+ Partials     2548     2541       -7     

Flag	Coverage Δ
unittests	66.27% <76.92%> (-0.92%)	⬇️

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[zwzhang0107]

seems we need some UT for this