chore(deps): bump kustomize to v5.2.1 (cherry-pick 2.9)

[MPV]

Same as in:

• chore(deps): bump kustomize to v5.2.1  #16054

...but for:

• https://github.com/argoproj/argo-cd/tree/release-2.9

[codecov]

Codecov Report

Attention: 6 lines in your changes are missing coverage. Please review.

Comparison is base (dc3d08e) 49.99% compared to head (35753a5) 49.98%.
Report is 1 commits behind head on release-2.9.

Additional details and impacted files

@@               Coverage Diff               @@
##           release-2.9   #16082      +/-   ##
===============================================
- Coverage        49.99%   49.98%   -0.01%     
===============================================
  Files              266      266              
  Lines            46041    46046       +5     
===============================================
  Hits             23018    23018              
- Misses           20766    20771       +5     
  Partials          2257     2257              

Files	Coverage Δ
util/argo/argo.go	66.49% <100.00%> (ø)
controller/appcontroller.go	53.91% <0.00%> (-0.17%)	⬇️

... and 1 file with indirect coverage changes

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