Fix repo deletion

[jhrozek]

Summary

We passed the wrong ID.

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

minder repo delete

this was caught by smoke tests, so we'll have test coverage once this is merged

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: 47.883% (+0.006%) from 47.877%
when pulling 0eeed85 on jhrozek:fix_repo_delete
into 5ed6788 on stacklok:main.