Trusty: Block on deprecated, expose provenance

[puerco]

Summary

This PR adds support for blocking pull requests introducing pull requests.

It also adds support to show provenance data (historical and sigstore) when trusty supplies it for the new dependencies.

Fixes #3379
Fixes #3382

Change Type

Mark the type of change your PR introduces:

• Bug fix (resolves an issue without affecting existing features)
• Feature (adds new functionality without breaking changes)
• Breaking change (may impact existing functionalities or require documentation updates)
• Documentation (updates or additions to documentation)
• Refactoring or test improvements (no bug fixes or new functionality)

Testing

Added a new test for the function that computes the provenance data

Heres the new improved section showing the deprecated flag and the provenance data:

Review Checklist:

• Reviewed my own code for quality and clarity.
• Added comments to complex or tricky code sections.
• Updated any affected documentation.
• Included tests that validate the fix or feature.
• Checked that related changes are merged.

[coveralls]

coverage: 52.0% (+0.02%) from 51.98%
when pulling 896f131 on puerco:deprecated
into 586144c on stacklok:main.