Fix: working with Sass 1.79.4

[louismaximepiton]

Description

• Updated Library version
• Implementing myself the red, green, and blue` function that are missing from Sass 1.79.4 with all the errors I could possibly do and no tests
• Adapting tests

Motivation & Context

Sass 1.79.4 deprecation warnings.

Type of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Refactoring (non-breaking change)
• Breaking change (fix or feature that would change existing functionality)

Checklist

• I have read the contributing guidelines
• My code follows the code style of the project (using npm run lint)
• My change introduces changes to the documentation
• I have updated the documentation accordingly
• I have added tests to cover my changes
• All new and existing tests passed

Live previews

• https://deploy-preview-{your_pr_number}--twbs-bootstrap.netlify.app/

Related issues

[louismaximepiton]

We probably don't want and won't merge this.