Update test262.yml

[thedgarg31]

This Pull Request fixes/closes - Update workflows permission to allow forked PRs to have commented results #4105

It changes the following:

Added missing permissions in workflows to allow benchmarks and test262 results to be commented back on forked PRs.
Updated test262.yml to ensure test results are posted correctly using create-or-update-comment.
Ensured compatibility with the latest GitHub Actions permissions to allow the workflow to interact with PR comments.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 52.65%. Comparing base (6ddc2b4) to head (54c3326).
Report is 392 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #4206      +/-   ##
==========================================
+ Coverage   47.24%   52.65%   +5.41%     
==========================================
  Files         476      487      +11     
  Lines       46892    51981    +5089     
==========================================
+ Hits        22154    27371    +5217     
+ Misses      24738    24610     -128     

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[jedel1043]

Of course it wouldn't be that easy...

I think the action itself assumes it's not running on a fork, and based on peter-evans/create-or-update-comment#39, we'll have to create a bot app instead.

Thank you for testing this!