feature(kcmas): scrape with basic auth

[zzzzhhb]

What type of PR is this?

Enhancements

What this PR does / why we need it:

metric collector scrape with basic auth

Which issue(s) this PR fixes:

Special notes for your reviewer:

[codecov]

Codecov Report

Attention: 17 lines in your changes are missing coverage. Please review.

Comparison is base (5652340) 53.17% compared to head (d3d2ee3) 53.23%.
Report is 7 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #318      +/-   ##
==========================================
+ Coverage   53.17%   53.23%   +0.06%     
==========================================
  Files         406      408       +2     
  Lines       43980    44110     +130     
==========================================
+ Hits        23386    23484      +98     
- Misses      18006    18038      +32     
  Partials     2588     2588              

Flag	Coverage Δ
unittest	53.23% <52.77%> (+0.06%)	⬆️

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Files	Coverage Δ
cmd/base/context.go	61.70% <100.00%> (ø)
pkg/custom-metric/collector/prometheus/scrape.go	72.89% <100.00%> (+0.12%)	⬆️
...metric/collector/prometheus/collector_promethes.go	27.27% <48.48%> (+2.65%)	⬆️

... and 25 files with indirect coverage changes

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