fix: sass legacy warn

[urmauur]

Describe Your Changes

This pull request includes changes to the joi package to update dependencies and improve the build configuration. The most important changes include replacing the rollup-plugin-sass with the sass package and updating the Rollup configuration to use the modern Sass API.

Dependency updates:

• joi/package.json: Removed rollup-plugin-sass and added sass as a dependency. [1] [2]

Build configuration improvements:

• joi/rollup.config.mjs: Removed the import and usage of rollup-plugin-sass and updated the configuration to use the modern Sass API. [1] [2] [3]

Fixes Issues

• Closes #
• Closes #

Self Checklist

• Added relevant comments, esp in complex areas
• Updated docs (for bug fixes / features)
• Created issues for follow-up changes or refactoring needed

[github-actions]

Barecheck - Code coverage report

Total: 68.61%

Your code coverage diff: 0.00% ▴

✅ All code changes are covered

[github-actions]

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