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

[UvgenGen]

Description

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

Merge Checklist

• If your update includes visual changes, have they been reviewed by a designer? Send them a link to the Sandbox, if applicable.
• Is there adequate test coverage for your changes?

Post-merge Checklist

• Deploy the changes to prod after verifying on stage or ask @openedx/edx-infinity to do it.
• 🎉 🙌 Celebrate! Thanks for your contribution.

[openedx-webhooks]

Thanks for the pull request, @UvgenGen! Please note that it may take us up to several weeks or months to complete a review and merge your PR.

Feel free to add as much of the following information to the ticket as you can:

• supporting documentation
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Please let us know once your PR is ready for our review and all tests are green.

[codecov]

Codecov Report

Patch coverage: 100.00% and no project coverage change.

Comparison is base (7dfbd44) 85.06% compared to head (3c62df8) 85.06%.

Additional details and impacted files

@@                    Coverage Diff                     @@
##           open-release/olive.master     #504   +/-   ##
==========================================================
  Coverage                      85.06%   85.06%           
==========================================================
  Files                            134      134           
  Lines                           2678     2678           
  Branches                         741      741           
==========================================================
  Hits                            2278     2278           
  Misses                           378      378           
  Partials                          22       22           

Impacted Files	Coverage Δ
src/discussions/posts/PostsList.jsx	97.29% <100.00%> (ø)

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[arbrandes]

Works alright. Congrats.

[openedx-webhooks]

@UvgenGen 🎉 Your pull request was merged! Please take a moment to answer a two question survey so we can improve your experience in the future.