Add Apple attestation

[Thumimku]

Proposed changes in this pull request

Issue : wso2/product-is#16836

Implementation of the ClientAttestationValidator interface specific to Apple attestation.
This class validates attestation responses from Apple devices, ensuring the integrity and authenticity of the attested information.
The validation process involves decoding the Base64-encoded attestation object, parsing the CBOR data, and performing various checks on the attestation statement and authentication data.
Additionally, it validates the certificate chain using the Apple Root CA and ensures that the reply party Id matches the configured Apple App ID.
This method developed using following documentation Validating Apps That Connect to Your Servers

Two additional config parameters added with this fix.

<AppleAttestationRootCertificatePath>
${carbon.home}/repository/resources/identity/apple/attestation/apple_attestation_root_ca.pem
</AppleAttestationRootCertificatePath>

In the context of PKIX (Public Key Infrastructure for X.509), revocation refers to the process of declaring a digital certificate as invalid before its natural expiration date. In Development this is not necessary, hence provide a config to configure revocation.
<AppleAttestationRevocationCheckEnabled>false</AppleAttestationRevocationCheckEnabled>

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