Update frontend dependencies

What does this MR do and why?

Updates for node modules.

Includes a CSS change to maintain our tabs styles, and a fix for a new eslint violation.

Screenshots, screen recordings, or links to review app

No visual changes expected.

• Passing pipeline: https://gitlab.com/gitlab-org/gitlab-docs/-/pipelines/1403026075
• Review app: https://dependencies-20240806.docs.gitlab-review.app/

Merge request acceptance checklist

This checklist encourages us to confirm any changes have been analyzed to reduce risks in quality, performance, reliability, security, and maintainability.

• I have evaluated the MR acceptance checklist for this merge request.