[FC-0014][palm] update frontend-platform version to v4.2.0

[UvgenGen]

Description

Updated frontend-platform version with GA4 implementation.
FC-0014 - Google Analytics 4 Upgrade

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[codecov]

Codecov Report

Patch and project coverage have no change.

Comparison is base (85d8500) 71.30% compared to head (646b3ec) 71.30%.

Additional details and impacted files

@@                    Coverage Diff                    @@
##           open-release/palm.master     #737   +/-   ##
=========================================================
  Coverage                     71.30%   71.30%           
=========================================================
  Files                            75       75           
  Lines                          1042     1042           
  Branches                        183      183           
=========================================================
  Hits                            743      743           
  Misses                          289      289           
  Partials                         10       10           

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[arbrandes]

Backport of #733. Approved.

[openedx-webhooks]

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