Swift 6.0 todo

[meatball133]

Swift 6.0

This will likely be one of the largest updates to the track to this date.
To make the track more future proof and inline with the direction the language is going, will we switch from XCTest to Swift-Testing.
This is a huge undertaking which involves rewriting 100+ test files, this will also require a brand new test runner.

Tooling

• New Test runner ([2.0]: Swift 6 support swift-test-runner#58)
• Updated Test Generator (Update generator to swift 6.0 #782)
• Update ci to Swift 6.0 (Update CI configuration and add Swift Numerics dependency #806)

Concept

• [Swift 6]: Update concept exercises batch 1 #807

Exercises

• Armstrong Numbers, update to include int128 tests (postponed due to missing pow function) ([Swift 6.0]: Update armstrong number with new testing files #784)
• [Swift 6]: Update Exercises batch 1 #785
• [Swift 6]: Update Exercises batch 2 #786
• [Swift 6]: Update Exercises batch 3 #787
• [Swift 6]: Update Exercises batch 4 #788
• [Swift 6]: Update Exercises batch 5 #789
• [Swift 6]: Update Exercises batch 6 #790
• [Swift 6]: Update Exercises batch 7 #791
• [Swift 6]: Update Exercises batch 8 #792
• [Swift 6]: Update Exercises batch 9 #793
• [Swift 6]: Update Exercises batch 10 #794
• [Swift 6]: Update Exercises batch 11 #795
• [Swift 6]: Update Exercises batch 12 #796
• [Swift 6]: Update Exercises batch 13 #797
• [Swift 6]: Update Exercises batch 14 #798
• [Swift 6]: Update Exercises batch 15 #799
• [Swift 6]: Update Exercises batch 16 #800
• [Swift 6]: Update Exercises batch 17 #801
• [Swift 6]: Update Exercises batch 18 #802
• [Swift 6]: Update Exercises batch 19 #803
• [Swift 6]: Update Exercises batch 20 #804
• Deprecate exercises based on problem spec, only scale generator will remain compatible with Swift 6.0 of the deprecated exercises ([Swift 6] Depricate exercises #805)

Update all test file to Swift testing