Use XCode 26.1 in MacOS15 build

[rustam-gamidov-here]

Fixing 'error: iOS 26.0 Platform Not Installed.'

Alternative: xcodebuild -downloadPlatform iOS
no delay in the job duration observed and no there's no this command
in the log to check if actual download has happened or is it
just a setup

Relates-To: MINOR

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 80.33%. Comparing base (614f83b) to head (10449cd).
⚠️ Report is 1 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #1658      +/-   ##
==========================================
- Coverage   80.36%   80.33%   -0.03%     
==========================================
  Files         350      350              
  Lines       14040    14040              
  Branches     1515     1515              
==========================================
- Hits        11282    11278       -4     
- Misses       2144     2148       +4     
  Partials      614      614              

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