[Due for payment 2026-02-04] [ECUK In-App 3DS] [App] Add actions and wrappers for the auth keys & challenges logic

[JakubKorytko]

Part of Adding biometric 3DS authentication for Expensify Cards

Implement this section of the design doc. These changes should include:

• Adding the wrapper for managing and signing challenges
• Adding the wrapper for I/O operations on the SecureStore entries

PR: #79477

Issue Owner

Current Issue Owner: @JakubKorytko

[melvin-bot]

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