Add v1.18.2 changelog

[nawazkh]

What type of PR is this?
/kind cleanup

What this PR does / why we need it:

Which issue(s) this PR fixes (optional, in fixes #<issue number>(, fixes #<issue_number>, ...) format, will close the issue(s) when PR gets merged):
Fixes #

Special notes for your reviewer:

TODOs:

• squashed commits
• includes documentation
• adds unit tests
• cherry-pick candidate

Release note:

NONE

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 52.57%. Comparing base (f0f36c7) to head (cf86157).
Report is 4 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #5501   +/-   ##
=======================================
  Coverage   52.57%   52.57%           
=======================================
  Files         272      272           
  Lines       29470    29470           
=======================================
  Hits        15495    15495           
  Misses      13167    13167           
  Partials      808      808           

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[willie-yao]

/lgtm
/approve

[k8s-ci-robot]

LGTM label has been added.

Git tree hash: 24693ebbc4cf13d70147a3256957540ab859b1c3

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: willie-yao

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