Support Strict Concurrency

[Supereg]

Support Strict Concurrency

♻️ Current situation & Problem

This PR updates SpeziHealthKit to enable strict concurrency checking and provides compatibility with Swift 6.

NSPredicate is not Sendable (see a discussion here). Therefore, CollectSample and CollectSamples cannot be Sendable. These types are usually constructed in the configuration section which runs on the MainActor. Therefore, instances of CollectSample, ... can never leave the @MainActor. This is why this PR constraints a lot of the implementation to the MainActor.

⚙️ Release Notes

• Swift 6 Compatibility.

📚 Documentation

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✅ Testing

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📝 Code of Conduct & Contributing Guidelines

By submitting creating this pull request, you agree to follow our Code of Conduct and Contributing Guidelines:

• I agree to follow the Code of Conduct and Contributing Guidelines.

[codecov]

Codecov Report

Attention: Patch coverage is 85.00000% with 9 lines in your changes missing coverage. Please review.

Project coverage is 71.83%. Comparing base (1e9cb5a) to head (4d20384).

Files	Patch %	Lines
...hKit/CollectSample/HealthKitSampleDataSource.swift	80.77%	5 Missing ⚠️
... Extensions/HKHealthStore+BackgroundDelivery.swift	66.67%	4 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #23      +/-   ##
==========================================
+ Coverage   70.16%   71.83%   +1.68%     
==========================================
  Files          11       11              
  Lines         459      465       +6     
==========================================
+ Hits          322      334      +12     
+ Misses        137      131       -6     

Files	Coverage Δ
.../SpeziHealthKit/CollectSample/CollectSamples.swift	100.00% <ø> (ø)
...Extensions/HKHealthStore+AnchoredObjectQuery.swift	85.19% <ø> (ø)
...althKit Extensions/HKHealthStore+SampleQuery.swift	0.00% <ø> (ø)
Sources/SpeziHealthKit/HealthKit.swift	85.72% <100.00%> (+0.84%)	⬆️
...hKit/HealthKitDataSource/HealthKitDataSource.swift	100.00% <100.00%> (ø)
...hKitDeliverySetting/HealthKitDeliverySetting.swift	100.00% <ø> (ø)
... Extensions/HKHealthStore+BackgroundDelivery.swift	61.20% <66.67%> (+2.58%)	⬆️
...hKit/CollectSample/HealthKitSampleDataSource.swift	93.84% <80.77%> (+0.42%)	⬆️

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[PSchmiedmayer]

Thank you for the work here; very nice to see the updates in this package! 🚀