Add entity properties to rego evaluation context.

[blkt]

Summary

This change adds the entity's properties as defined by the provider to the REGO evaluation context, making it possible to use them as arguments to e.g. data sources.

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

Manual tests.

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: 55.013%. first build
when pulling a4dc5db on feat/add-properties-to-rego-engine
into 739607f on main.

[blkt]

sorry @JAORMX, linter was complaining.