fix: update model card tags to include 'pruna-ai' by default

[davidberenstein1957]

Description

Enforces pruna-ai to be added by default and pruna_pro-ai if pro is present, so we can use one entrypoint for code snippet generation in the HF.js library.

Related Issue

Fixes requirement huggingface/huggingface.js#1733

Type of Change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update

How Has This Been Tested?

Checklist

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• 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
• New and existing unit tests pass locally with my changes

Additional Notes