#846: change minimum version of CryptoSwift dependency

[g1umov]

The minimum version of 1.5.1 is too small. These changes resolve dependency conflicts that have the 'CryptoSwift' dependency within the SPM package, e.g. 'SwiftLint' that uses the 'CryptoSwift' too

Summary of Changes

Fixes # (if applicable - add the number of issue this PR addresses)

Test Data or Screenshots

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