Documentation for updating vSphere credentials

[2ez4szliu]

*Issue #, if available: #6468

Description of changes:

Testing (if applicable):

Documentation added/planned (if applicable):

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 73.56%. Comparing base (a74803a) to head (f8b570c).
Report is 51 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #8717      +/-   ##
==========================================
+ Coverage   73.55%   73.56%   +0.01%     
==========================================
  Files         578      578              
  Lines       36580    36610      +30     
==========================================
+ Hits        26905    26931      +26     
+ Misses       7955     7953       -2     
- Partials     1720     1726       +6     

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[panktishah26]

Thank you for documenting these steps. Your PR looks good. I have one small suggestion.

[panktishah26]

/lgtm

[2ez4szliu]

/approve

[panktishah26]

/approve

[eks-distro-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: 2ez4szliu, panktishah26

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[2ez4szliu]

/cherry-pick release-0.20

[eks-distro-pr-bot]

@2ez4szliu: new pull request created: #8799

In response to this:

/cherry-pick release-0.20

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