docs(helm): Update relay proxy helm README

[thomaspoignant]

Automated pull request to update relay-proxy helm chart README

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[sonarcloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarCloud

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 85.48%. Comparing base (ed23180) to head (6841d28).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #2567   +/-   ##
=======================================
  Coverage   85.48%   85.48%           
=======================================
  Files         100      100           
  Lines        4444     4444           
=======================================
  Hits         3799     3799           
  Misses        516      516           
  Partials      129      129           

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