For etcd metrics, specify explictily proxy steps are only for stacked etcd

[rajeshvenkata]

Issue #, if available:

Description of changes:
Update the metrics doc for etcd metrics to specify explictily that proxy steps are only for stacked setup

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[chrisnegus]

Just one small suggestion.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 72.35%. Comparing base (60225bb) to head (32e2a84).
Report is 6 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #9131   +/-   ##
=======================================
  Coverage   72.35%   72.35%           
=======================================
  Files         585      585           
  Lines       45686    45686           
=======================================
  Hits        33058    33058           
  Misses      10890    10890           
  Partials     1738     1738           

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[chrisnegus]

/lgtm

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[rajeshvenkata]

/cherry-pick release-0.21

[rajeshvenkata]

/cherry-pick release-0.20

[rajeshvenkata]

/cherry-pick release-0.19

[eks-distro-pr-bot]

@rajeshvenkata: new pull request created: #9168

In response to this:

/cherry-pick release-0.21

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[eks-distro-pr-bot]

@rajeshvenkata: new pull request created: #9169

In response to this:

/cherry-pick release-0.20

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes/test-infra repository.

[eks-distro-pr-bot]

@rajeshvenkata: new pull request created: #9170

In response to this:

/cherry-pick release-0.19

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes/test-infra repository.