Update Go docs for path-regex

[jjngx]

Proposed changes

This PR updates Go docs.

Checklist

Before creating a PR, run through this checklist and mark each as complete.

• I have read the CONTRIBUTING doc
• I have added tests that prove my fix is effective or that my feature works
• I have checked that all unit tests pass after adding my changes
• I have updated necessary documentation
• I have rebased my branch onto main
• I will ensure my PR is targeting the main branch and pulling from my branch from my own fork

[codecov]

Codecov Report

Merging #4248 (5f72b58) into main (da221ce) will decrease coverage by 0.02%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             main    #4248      +/-   ##
==========================================
- Coverage   51.96%   51.95%   -0.02%     
==========================================
  Files          59       59              
  Lines       16762    16762              
==========================================
- Hits         8710     8708       -2     
- Misses       7753     7755       +2     
  Partials      299      299              

Files Changed	Coverage Δ
internal/configs/version1/template_helper.go	100.00% <ø> (ø)

... and 1 file with indirect coverage changes

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