STRATCONN-6214 - [Google Enhanced Conversions] - Adding web plugin

[joe-ayoub-segment]

Hybrid Action for Google Enhanced Conversions Destination.
Plugin collects attribution details and passes them to the session_attributes_encoded field.

Testing

Tested locally

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 79.98%. Comparing base (3c3295e) to head (0295ac6).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #3383   +/-   ##
=======================================
  Coverage   79.98%   79.98%           
=======================================
  Files        1211     1211           
  Lines       22356    22356           
  Branches     4407     4412    +5     
=======================================
  Hits        17881    17881           
  Misses       3695     3695           
  Partials      780      780           

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