feat(sys-advisor): get borwein model input and store it in cache

[syc4704413]

What type of PR is this?

Features

[codecov]

Codecov Report

❌ Patch coverage is 64.03509% with 123 lines in your changes missing coverage. Please review.
✅ Project coverage is 59.87%. Comparing base (499f48f) to head (8e8bc8c).
⚠️ Report is 64 commits behind head on main.

Files with missing lines	Patch %	Lines
...gin/inference/modelinputfetcher/generic/generic.go	31.81%	45 Missing ⚠️
.../agent/metric/provisioner/malachite/provisioner.go	62.00%	38 Missing ⚠️
...in/inference/modelresultfetcher/borwein/borwein.go	52.38%	14 Missing and 6 partials ⚠️
pkg/agent/sysadvisor/plugin/inference/inference.go	72.41%	5 Missing and 3 partials ⚠️
...ric/provisioner/malachite/provisioner_calculate.go	91.04%	5 Missing and 1 partial ⚠️
pkg/agent/sysadvisor/metacache/metacache.go	71.42%	2 Missing and 2 partials ⚠️
pkg/metaserver/agent/pod/pod.go	0.00%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1006      +/-   ##
==========================================
+ Coverage   59.65%   59.87%   +0.21%     
==========================================
  Files         682      689       +7     
  Lines       63929    65114    +1185     
==========================================
+ Hits        38137    38985     +848     
- Misses      21385    21672     +287     
- Partials     4407     4457      +50     

Flag	Coverage Δ
unittest	59.87% <64.03%> (+0.21%)	⬆️

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