fix(monitor): cpu usage in resource-container-monitor

[chengjoey]

What this PR does / why we need it:

fix cpu usage in resource-container-monitor

Which issue(s) this PR fixes:

• Fixes #your-issue_number
• Erda Cloud Issue Link

Specified Reviewers:

/assign @sfwn

ChangeLog

Language	Changelog
🇺🇸 English	Fix the bug that cpu usage in resource-container-monitor
🇨🇳 中文	修复了微服务容器监控cpu使用率错误的问题

Need cherry-pick to release versions?

Add comment like /cherry-pick release/1.0 when this PR is merged.

For details on the cherry pick process, see the cherry pick requests section under CONTRIBUTING.md.

[sfwn]

/approve

[sfwn]

/approve

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 15.60%. Comparing base (376e630) to head (3a81f75).
Report is 2 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #6415      +/-   ##
==========================================
- Coverage   15.60%   15.60%   -0.01%     
==========================================
  Files        3677     3677              
  Lines      311998   312000       +2     
==========================================
- Hits        48677    48672       -5     
- Misses     257864   257869       +5     
- Partials     5457     5459       +2     

Flag	Coverage Δ
by-github-actions	15.60% <100.00%> (-0.01%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files	Coverage Δ
.../resources-container-monitor/container/provider.go	84.83% <100.00%> (ø)

... and 7 files with indirect coverage changes