chore: use official pulsar container for arm64

[atzoum]

Description

Starting with version 3.0.0, apache pulsar docker container is multi-arch.

Security

• The code changed/added as part of this pull request won't create any security issues with how the software is being used.

[codecov]

Codecov Report

Patch coverage: 100.00% and project coverage change: +0.24 🎉

Comparison is base (94ee0b3) 77.11% compared to head (52ac747) 77.35%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #48      +/-   ##
==========================================
+ Coverage   77.11%   77.35%   +0.24%     
==========================================
  Files          48       48              
  Lines        3168     3162       -6     
==========================================
+ Hits         2443     2446       +3     
+ Misses        599      592       -7     
+ Partials      126      124       -2     

Impacted Files	Coverage Δ
testhelper/docker/resource/pulsar.go	65.11% <100.00%> (+3.89%)	⬆️

... and 1 file with indirect coverage changes

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