fix(cni): do not hardcode kumahq into image loading procedure

[slonka]

Signed-off-by: slonka [email protected]

Checklist prior to review

• Link to docs PR or issue -- none of these apply only the one with the other comment
• Link to UI issue or PR --
• Is the issue worked on linked? --
• Unit Tests --
• E2E Tests -- fixed E2E test in project depending on Kuma
• Manual Universal Tests --
• Manual Kubernetes Tests --
• Do you need to update UPGRADE.md? --
• Does it need to be backported according to the backporting policy? --

[codecov-commenter]

Codecov Report

Merging #4788 (e48967f) into master (748b719) will decrease coverage by 0.01%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #4788      +/-   ##
==========================================
- Coverage   46.44%   46.42%   -0.02%     
==========================================
  Files         690      690              
  Lines       47086    47086              
==========================================
- Hits        21868    21860       -8     
- Misses      23292    23299       +7     
- Partials     1926     1927       +1     

Impacted Files	Coverage Δ
pkg/plugins/leader/postgres/leader_elector.go	82.97% <0.00%> (-6.39%)	⬇️
pkg/core/resources/manager/cache.go	83.11% <0.00%> (-5.20%)	⬇️
pkg/xds/generator/direct_access_proxy_generator.go	89.77% <0.00%> (-1.14%)	⬇️

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