chore(kuma-cp) check explicit service account name (backport #3228)

[mergify]

This is an automatic backport of pull request #3228 done by Mergify.

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[codecov-commenter]

Codecov Report

Merging #3366 (0754423) into release-1.4 (57f003d) will decrease coverage by 0.02%.
The diff coverage is 88.88%.

@@               Coverage Diff               @@
##           release-1.4    #3366      +/-   ##
===============================================
- Coverage        52.43%   52.41%   -0.03%     
===============================================
  Files              924      924              
  Lines            53883    53879       -4     
===============================================
- Hits             28254    28238      -16     
- Misses           23408    23424      +16     
+ Partials          2221     2217       -4     

Impacted Files	Coverage Δ
pkg/plugins/runtime/k8s/plugin.go	1.12% <0.00%> (ø)
pkg/config/plugins/runtime/k8s/config.go	86.39% <100.00%> (+0.08%)	⬆️
pkg/plugins/runtime/k8s/webhooks/validation.go	87.28% <100.00%> (-0.52%)	⬇️
pkg/insights/components.go	70.00% <0.00%> (-30.00%)	⬇️
pkg/events/eventbus.go	85.18% <0.00%> (-7.41%)	⬇️
pkg/insights/resyncer.go	67.22% <0.00%> (-2.68%)	⬇️
pkg/core/resources/manager/cache.go	83.11% <0.00%> (-2.60%)	⬇️
pkg/core/resources/model/rest/resource.go	67.94% <0.00%> (-1.29%)	⬇️
pkg/core/runtime/component/component.go	88.67% <0.00%> (+7.54%)	⬆️

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