Improvement of metriclabels removal capability at workload granularity

[LiZhenCheng9527]

What type of PR is this? /kind enhancement

What this PR does / why we need it:

Which issue(s) this PR fixes a part of #1033

Special notes for your reviewer:

Does this PR introduce a user-facing change?:

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 65.21739% with 8 lines in your changes missing coverage. Please review.

Project coverage is 48.93%. Comparing base (de98f8b) to head (90405e0). Report is 22 commits behind head on main.

Files with missing lines	Patch %	Lines
pkg/controller/telemetry/metric.go	66.66%	2 Missing and 2 partials :warning:
pkg/controller/telemetry/utils.go	63.63%	4 Missing :warning:

Files with missing lines	Coverage Δ
pkg/controller/telemetry/metric.go	55.40% <66.66%> (+0.47%)	:arrow_up:
pkg/controller/telemetry/utils.go	64.61% <63.63%> (-0.20%)	:arrow_down:

... and 5 files with indirect coverage changes

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[kmesh-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: hzxuzhonghu

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Needs approval from an approver in each of these files: - ~~[pkg/controller/OWNERS](https://github.com/kmesh-net/kmesh/blob/main/pkg/controller/OWNERS)~~ [hzxuzhonghu] Approvers can indicate their approval by writing `/approve` in a comment Approvers can cancel approval by writing `/approve cancel` in a comment