Update browser#1097 release notes

[ankur22]

What?

Updating the browser#1097 release notes to take into account the change to the API which is in browser#1244.

Why?

There's been a change in the API.

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)

grafana/xk6-browser#1244

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

❗ No coverage uploaded for pull request base (release-v0.50.0@70ac7ef). Click here to learn what that means.

❗ Current head d7b653e differs from pull request most recent head 131c3c6. Consider uploading reports for the commit 131c3c6 to get more accurate results

Additional details and impacted files

@@                Coverage Diff                 @@
##             release-v0.50.0    #3650   +/-   ##
==================================================
  Coverage                   ?   73.56%           
==================================================
  Files                      ?      277           
  Lines                      ?    20244           
  Branches                   ?        0           
==================================================
  Hits                       ?    14893           
  Misses                     ?     4403           
  Partials                   ?      948           

Flag	Coverage Δ
ubuntu	73.48% <ø> (?)
windows	73.42% <ø> (?)

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