v4.0.1: sample code bug fix for iOS

This release has just one change: a bug fix in the sample code for iOS that was preventing use of the protected data store.

What's Changed

• Bump rpassword from 7.4.0 to 7.5.2 by @dependabot[bot] in #314
• Don't require sandboxing on iOS. by @brotskydotcom in #316

Full Changelog: v4.0.0...v4.0.1