chore(deps): update Cocoa SDK to v8.51.1

[github-actions]

Bumps flutter/scripts/update-cocoa.sh from 8.51.0 to 8.51.1.

Auto-generated by a dependency updater.

Changelog

8.51.1

Fixes

• Uses low-priority queues to reduce the chance of session replay internal multi-threading processes being dropped (#5280)

Improvements

• Threading issues in internal dependency container (#5225)

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 89.23%. Comparing base (b38106d) to head (514b3e7).

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2959      +/-   ##
==========================================
+ Coverage   87.62%   89.23%   +1.60%     
==========================================
  Files         278       93     -185     
  Lines        9175     3084    -6091     
==========================================
- Hits         8040     2752    -5288     
+ Misses       1135      332     -803     

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