metrics: Add a RU(max) panel to observe maximum resource consumption (#52007)

[ti-chi-bot]

This is an automated cherry-pick of #52007

What problem does this PR solve?

Issue Number: ref #49318

Problem Summary:

What changed and how does it work?

Check List

Tests

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

• No need to test

  • I checked and no code files have been changed.

Release note

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None

[codecov]

Codecov Report

❗ No coverage uploaded for pull request base (release-7.5@091d31e). Click here to learn what that means.
The diff coverage is n/a.

Additional details and impacted files

@@               Coverage Diff                @@
##             release-7.5     #52288   +/-   ##
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  Coverage               ?   71.9964%           
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  Files                  ?       1410           
  Lines                  ?     409441           
  Branches               ?          0           
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  Hits                   ?     294783           
  Misses                 ?      94825           
  Partials               ?      19833           

Flag	Coverage Δ
unit	71.9964% <ø> (?)

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Components	Coverage Δ
dumpling	53.9913% <0.0000%> (?)
parser	∅ <0.0000%> (?)
br	53.3610% <0.0000%> (?)

[ti-chi-bot]

[APPROVALNOTIFIER] This PR is APPROVED

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

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[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2024-04-18 05:20:28.41108908 +0000 UTC m=+488247.522135530: ☑️ agreed by nolouch.
• 2024-04-18 09:37:41.192813891 +0000 UTC m=+503680.303860340: ☑️ agreed by glorv.