test: add connectionless end-to-end tests

[chereseeriepa]

Description:

This PR adds end-to-end tests for connectionless credential issuance and presentation/verification.

Checklist:

• [ ] My PR follows the contribution guidelines of this project
• [ ] My PR is free of third-party dependencies that don't comply with the Allowlist
• [ ] 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
• [ ] I have checked the PR title to follow the conventional commit specification

[chereseeriepa]

This was my first time coming across Serenity js and cucumber, so bare with me :)