Add change log for patch 18.4

[rahulbabu95]

Issue #, if available:

Description of changes:

Testing (if applicable):

Documentation added/planned (if applicable):

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[eks-distro-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

[rahulbabu95]

/hold

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (a4fc7a6) 71.63% compared to head (a4f7645) 71.63%.
Report is 3 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #7288   +/-   ##
=======================================
  Coverage   71.63%   71.63%           
=======================================
  Files         556      556           
  Lines       43204    43190   -14     
=======================================
- Hits        30949    30940    -9     
+ Misses      10544    10539    -5     
  Partials     1711     1711           

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[cxbrowne1207]

/lgtm

[rahulbabu95]

/unhold

[rahulbabu95]

/approve

[eks-distro-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: rahulbabu95

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[rahulbabu95]

/cherrypick release-0.18

[eks-distro-pr-bot]

@rahulbabu95: new pull request created: #7297

In response to this:

/cherrypick release-0.18

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