chore(deps): update Cocoa SDK to v8.26.0

[github-actions]

Bumps flutter/scripts/update-cocoa.sh from 8.25.2 to 8.26.0.

Auto-generated by a dependency updater.

Changelog

8.26.0

Features

• Add SIGTERM support (#3895)

Fixes

• Fix data race when calling reportFullyDisplayed from a background thread (#3926)
• Ensure flushing envelopes directly after capturing them (#3915)
• Unable to find class: SentryCrashExceptionApplication (#3957)
• Clang error for Xcode 15.4 (#3958)
• Potential deadlock when starting the SDK (#3970)

Improvements

• Send Cocoa SDK features (#3948)

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 95.30%. Comparing base (ee0ca56) to head (53ee37a).

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #2060   +/-   ##
=======================================
  Coverage   95.30%   95.30%           
=======================================
  Files          54       54           
  Lines        1789     1789           
=======================================
  Hits         1705     1705           
  Misses         84       84           

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