chore: disable default-features in identity_iota dependency

[nanderstabel]

Description of change

Updating identity_iota from 1.2 to 1.3 introduced an unwanted implicit dependency on openssl which causes problems downstream. This PR fixes that by disabling some of its default features.

Links to any relevant issues

• Remove openssl rooted dependency from Cargo.lock identity-wallet#326

How the change has been tested

Tested by building UniMe through this PR: impierce/identity-wallet#327 (which depends on the change in this PR)

Definition of Done checklist

Add an x to the boxes that are relevant to your changes.

• I have followed the contribution guidelines for this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes

[github-actions]

🎉 This issue has been resolved in version 1.0.0-beta.1 🎉

The release is available on GitHub release

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