Support registry http.relativeurls in harbor.yml

[tahacodes]

Support registry http.relativeurls in harbor.yml

Hi there, in this PR, I have attempted to resolve one of the issues we’ve been having with Harbor for a long time. After each upgrade, we have to manually set http.relativeurls: true in common/config/registry/config.yml because this setting doesn’t exist in the harbor.yml and it gets overwritten when the ./install script is executed.
Setting relativeurls is essential for our kind of workflow and the absence of it causes unknown blob errors while pushing images.
This issue has been fixed in harbor-helm here and in this PR, the relativeurls setting becomes available in harbor.yml.

Thank you for considering this change. If there are any suggestions or problems I need to address, I’m available.

Issue being fixed

Fixes #12135

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• Well Written Title and Summary of the PR
• Label the PR as needed. "release-note/ignore-for-release, release-note/new-feature, release-note/update, release-note/enhancement, release-note/community, release-note/breaking-change, release-note/docs, release-note/infra, release-note/deprecation"
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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 69.12%. Comparing base (b7b8847) to head (a9a6d5c).
Report is 179 commits behind head on main.

❗ Current head a9a6d5c differs from pull request most recent head e791c14. Consider uploading reports for the commit e791c14 to get more accurate results

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #20339      +/-   ##
==========================================
+ Coverage   67.56%   69.12%   +1.55%     
==========================================
  Files         991      795     -196     
  Lines      109181    99190    -9991     
  Branches     2719        0    -2719     
==========================================
- Hits        73768    68561    -5207     
+ Misses      31449    26903    -4546     
+ Partials     3964     3726     -238     

Flag	Coverage Δ
unittests	69.12% <ø> (+1.55%)	⬆️

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see 320 files with indirect coverage changes

[tahacodes]

I just noticed that i was referring to issue 174 in the original description which is not related to this PR, sorry for the confusion.
Also i can not set labels (release-note/enhancement probably?) to the PR.