Fix typo in ASN1ObjectIdentifier BER initializer parameter name.

[lamtrinhdev]

Summary

Fix typo in the internal parameter name of ASN1ObjectIdentifier.berEncoded(withIdentifier:) initializer.

Changes

• Rename parameter identiifer → identifier in ASN1ObjectIdentifier.berEncoded(withIdentifier:) (ObjectIdentifier.swift:133)

Impact

• The typo only affected the internal parameter name (external label withIdentifier was correct)
• No functional changes or breaking changes
• Improves code readability and maintainability

Testing

• Existing tests continue to pass
• No behavioral changes

[Lukasa]

Nice, thanks!