fix: pin hqq dependency to avoid model re-loading bug

[davidberenstein1957]

Description

HQQ models can't be reloaded after the 0.2.7 release of HQQ, so we pinned the version for now.

Related Issue

Does not directly fix the issue #173 but serves as a hot fix.

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

[llcnt]

Thanks for the quick fix! :)

[begumcig]

LGTM!!! thank you for fixing it!!