Refactor version helper

[aledbf]

What this PR does / why we need it:

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

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[codecov-io]

Codecov Report

Merging #4437 into master will increase coverage by 0.12%.
The diff coverage is n/a.

@@            Coverage Diff            @@
##           master   #4437      +/-   ##
=========================================
+ Coverage   58.67%   58.8%   +0.12%     
=========================================
  Files          88      88              
  Lines        6582    6602      +20     
=========================================
+ Hits         3862    3882      +20     
  Misses       2291    2291              
  Partials      429     429

Impacted Files	Coverage Δ
internal/ingress/controller/template/template.go	83.59% <0%> (+0.58%)	⬆️

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[ElvinEfendi]

/lgtm

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: aledbf, ElvinEfendi

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