Fix NPD in browser frame

[ankur22]

What?

Adding grafana/xk6-browser#1152 to the v0.49.0 release notes.

Why?

To keep our users up-to-date with the new fix.

Checklist

• I have performed a self-review of my code.
• I have added tests for my changes.
• I have run linter locally (make lint) and all checks pass.
• I have run tests locally (make tests) and all tests pass.
• I have commented on my code, particularly in hard-to-understand areas.

Related PR(s)/Issue(s)

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

❗ No coverage uploaded for pull request base (release-v0.49.0@5678f9a). Click here to learn what that means.

❗ Current head f0bcfa4 differs from pull request most recent head c50e5d8. Consider uploading reports for the commit c50e5d8 to get more accurate results

Additional details and impacted files

@@                Coverage Diff                 @@
##             release-v0.49.0    #3533   +/-   ##
==================================================
  Coverage                   ?   72.54%           
==================================================
  Files                      ?      280           
  Lines                      ?    20937           
  Branches                   ?        0           
==================================================
  Hits                       ?    15189           
  Misses                     ?     4777           
  Partials                   ?      971           

Flag	Coverage Δ
ubuntu	72.49% <0.00%> (?)
windows	72.37% <0.00%> (?)

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