feat(authenticator): Add passwordless sign in flows

[mattcreaser]

• PR conforms to Pull Request guidelines.

Issue #, if available: #190, #166

Description of changes:
Adds the ability to sign up and sign in to Cognito user pools without supplying a password.

Passwordless sign up is supported via SMS or Email OTP codes, while sign in supports those plus using Passkeys.

Includes configurable prompts to encourage users to create passkeys.

How did you test these changes?

• Unit tests
• Manual test cases

Documentation update required?

• No
• Yes : Documentation TBD

General Checklist

• Added Unit Tests
• Added Integration Tests
• Security oriented best practices and standards are followed (e.g. using input sanitization, principle of least privilege, etc)
• Ensure commit message has the appropriate scope (e.g fix(liveness): message, fix(authenticator): message, fix(all): message)

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.

[tylerjroach]

Looks good to go once the .api file is updated.

[codecov]

Codecov Report

❌ Patch coverage is 61.23077% with 252 lines in your changes missing coverage. Please review.
✅ Project coverage is 37.44%. Comparing base (2363d52) to head (9feb12a).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #287      +/-   ##
==========================================
+ Coverage   33.81%   37.44%   +3.63%     
==========================================
  Files         100      122      +22     
  Lines        4442     4930     +488     
  Branches      592      678      +86     
==========================================
+ Hits         1502     1846     +344     
- Misses       2779     2902     +123     
- Partials      161      182      +21     

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.