prevent deadlock on background thread access to Flagship singleton

[ABTastyAdel]

No description provided.

[codecov]

Codecov Report

❌ Patch coverage is 95.23810% with 1 line in your changes missing coverage. Please review.
✅ Project coverage is 85.02%. Comparing base (9c2240b) to head (bf97db2).
⚠️ Report is 21 commits behind head on master.

Files with missing lines	Patch %	Lines
FlagShip/Source/Core/Flagship.swift	95.23%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master      #62      +/-   ##
==========================================
+ Coverage   78.31%   85.02%   +6.70%     
==========================================
  Files          70       70              
  Lines        3966     3972       +6     
==========================================
+ Hits         3106     3377     +271     
+ Misses        860      595     -265     

Files with missing lines	Coverage Δ
FlagShip/Source/Core/Flagship.swift	93.75% <95.23%> (+0.50%)	⬆️

... and 23 files with indirect coverage changes

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[Copilot]

Pull request overview

This PR aims to prevent deadlocks when accessing the Flagship singleton from background threads by adjusting synchronization around shared SDK state, and bumps the SDK version to 4.0.3.

Changes:

• Introduces queue-protected access for currentConfig/status update logic in Flagship.
• Adds/adjusts unit tests to cover initialization from a background queue and tweaks a bucketing test callback.
• Bumps SDK version references (Swift constant, podspec, Xcode marketing version) and updates CI simulator destinations.

Reviewed changes

Copilot reviewed 7 out of 7 changed files in this pull request and generated 3 comments.

Show a summary per file

File	Description
FlagShip/Source/Tools/FlagShipVersion.swift	Bumps FlagShipVersion constant to 4.0.3.
FlagShip/Source/Core/Flagship.swift	Adds queue-synchronized config/state handling and refactors start config argument.
FlagShip/Flagship.xcodeproj/project.pbxproj	Updates MARKETING_VERSION to 4.0.3.
FlagShip/FlagShipTests/FlagshipTests.swift	Reformats tests and adds a background-thread init test.
FlagShip/FlagShipTests/FlagshipBucketingTest.swift	Adds a conditional around assertions in a fetch callback.
FlagShip.podspec	Bumps CocoaPods version to 4.0.3.
.github/workflows/flagship_ci.yml	Updates simulator destinations used in CI.

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[sonarqubecloud]

Quality Gate passed

Issues
2 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud