[Feature]: upgrade to `@bitcoinerlab/secp256k1@1.2.0`

[landabaso]

Describe the problem

@bitcoinerlab/secp256k1 internally uses the audited Noble libraries. The author of Noble has recommended upgrading to the latest version for enhanced security.

For more details, see the related discussion and PR: [bitcoinerlab/secp256k1#10](bitcoinerlab/secp256k1#10)

Describe the solution

No response

Additional context

No response

[pwltr]

@landabaso Thanks for letting us know, PR to upgrade here