Integrate SHA256withRSAandMGF1 for Advanced Passport Signature Security

[Okm165]

Description:
Suggesting the addition of SHA256withRSAandMGF1 to the noir-rsa library, targeting advanced security needs in passport signature verification. This standard enhances the basic SHA256withRSA algorithm by incorporating the Mask Generation Function 1 (MGF1), adding an extra layer of security essential for sensitive applications. Its implementation will position noir-rsa as a comprehensive tool for modern, high-stakes cryptographic operations, particularly in the field of passport security.