fix: add snyk-delta cli extension to cli

[aarlaud]

Pull Request Submission Checklist

• Follows CONTRIBUTING guidelines
• Commit messages
  are release-note ready, emphasizing
  what was changed, not how.
• Includes detailed description of changes
• Contains risk assessment (Low | Medium | High)
• Highlights breaking API changes (if applicable)
• Links to automated tests covering new functionality
• Includes manual testing instructions (if necessary)
• Updates relevant GitBook documentation (PR link: ___)
• Includes product update to be announced in the next stable release notes

What does this PR do?

Experimental. Add snyk delta cli extension. WIP.

Where should the reviewer start?

How should this be manually tested?

What's the product update that needs to be communicated to CLI users?

Risk assessment (Low | Medium | High)?

low

Any background context you want to provide?

Drop-in replacement for snyk test if you want only the net new issues in the current scan, compared to latest monitored snapshot(s).

[github-actions]

	Warnings
⚠️	You've modified files in src/ directory, but haven't updated anything in test folder. Is there something that could be tested?
⚠️	There are multiple commits on your branch, please squash them locally before merging!

Generated by 🚫 dangerJS against b8a45e8