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

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meatball133 wants to merge 3 commits intoexercism:mainfrom meatball133:update-concept-exercise-batch-1

+141-174

Commits on Dec 22, 2024

Update Swift tools version to 6.0 and testing files
meatball133
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Commits on Jan 3, 2025

Merge branch 'exercism:main' into update-concept-exercise-batch-1
meatball133
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Add swift numerics as a package for concept exercises as welk
meatball133
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