feat(overcommit): predict overcommit ratio by spd portrait

[WangZzzhe]

What type of PR is this?

Enhancements

What this PR does / why we need it:

predict overcommit ratio by spd portrait

Special notes for your reviewer:

pr should be rebased after kubewharf/katalyst-api#93 merged

[codecov]

Codecov Report

❌ Patch coverage is 76.72176% with 169 lines in your changes missing coverage. Please review.
✅ Project coverage is 56.98%. Comparing base (782d443) to head (382d337).
⚠️ Report is 709 commits behind head on main.

Files with missing lines	Patch %	Lines
pkg/controller/overcommit/prediction/prediction.go	78.20%	45 Missing and 23 partials ⚠️
...er/overcommit/prediction/provider/prom/provider.go	56.73%	42 Missing and 3 partials ⚠️
pkg/controller/overcommit/prediction/workload.go	68.53%	19 Missing and 9 partials ⚠️
...g/controller/overcommit/prediction/common/types.go	67.64%	6 Missing and 5 partials ⚠️
pkg/util/overcommit/overcommit.go	27.27%	7 Missing and 1 partial ⚠️
...vercommit/prediction/predictor/nsigma/predictor.go	90.38%	3 Missing and 2 partials ⚠️
...oller/overcommit/prediction/predictor/interface.go	71.42%	1 Missing and 1 partial ⚠️
...ercommit/prediction/provider/prom/fake_provider.go	77.77%	1 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff            @@
##             main     #652     +/-   ##
=========================================
  Coverage   56.98%   56.98%             
=========================================
  Files         544      560     +16     
  Lines       51826    53554   +1728     
=========================================
+ Hits        29531    30519    +988     
- Misses      18557    19227    +670     
- Partials     3738     3808     +70     

Flag	Coverage Δ
unittest	56.98% <76.72%> (+<0.01%)	⬆️

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