[Google Analytics 4 - Web] - adding hyperlink to field description

[joe-ayoub-segment]

Adding a link to the new domain field in the GA4 Web Destination.

Requested by @prigiattiperrut

Testing

Not needed.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 32.57%. Comparing base (a945135) to head (18b6f2b).
⚠️ Report is 10 commits behind head on main.

❌ Your project status has failed because the head coverage (32.57%) is below the target coverage (70.00%). You can increase the head coverage or adjust the target coverage.

Additional details and impacted files

@@             Coverage Diff             @@
##             main    #3362       +/-   ##
===========================================
- Coverage   79.99%   32.57%   -47.43%     
===========================================
  Files        1207       14     -1193     
  Lines       22315      703    -21612     
  Branches     4399      119     -4280     
===========================================
- Hits        17851      229    -17622     
+ Misses       3688      474     -3214     
+ Partials      776        0      -776     

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[joe-ayoub-segment]

PR deployed