Metrics: Go runtime metrics

[bufferflies]

What problem does this PR solve?

Issue Number: Close #8931

What is changed and how does it work?

Using promtheus clieng golang mod to expose go runtime metrics.
how to see this:

tiup playground nightly --pd.mode ms --tiflash 0 --kv 3 --pd 1 --db 1 --tso 2 --scheduling 1 --tso.binpath ./bin/pd-server --scheduling.binpath ./bin/pd-server --pd.binpath ./bin/pd-server

Check List

Tests

• Integration test
• Manual test (add detailed scripts or steps below)

Code changes

Side effects

Related changes

Release note

expose golang runtime metrics 

[ti-chi-bot]

Skipping CI for Draft Pull Request.
If you want CI signal for your change, please convert it to an actual PR.
You can still manually trigger a test run with /test all

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 76.25%. Comparing base (da4b43a) to head (1e2b369).
Report is 1 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #8927      +/-   ##
==========================================
- Coverage   76.29%   76.25%   -0.04%     
==========================================
  Files         462      462              
  Lines       70429    70436       +7     
==========================================
- Hits        53735    53714      -21     
- Misses      13346    13369      +23     
- Partials     3348     3353       +5     

Flag	Coverage Δ
unittests	76.25% <100.00%> (-0.04%)	⬇️

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[ti-chi-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: lhy1024, nolouch

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• OWNERS [lhy1024,nolouch]

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[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2024-12-18 11:12:15.673006222 +0000 UTC m=+1041725.761808764: ☑️ agreed by nolouch.
• 2024-12-19 03:00:08.917411499 +0000 UTC m=+1098599.006214043: ☑️ agreed by lhy1024.