chore: update linting tools and linting container image for docs

Evan Readrequested to merge
eread/update-linting-tools-and-linting-container-image-for-docs into main

Description

For gitlab-org/technical-writing/docs-gitlab-com#657 (closed), let's update linting tools and linting container image for documentation.

How has this been tested?

What CHANGELOG entry will this MR create?

  • fix: Bug fix fixes - a user-facing issue in production - included in changelog
  • feature: New feature - a user-facing change which adds functionality - included in changelog
  • BREAKING CHANGE: (fix or feature that would cause existing functionality to change) - should bump major version, mentioned in the changelog
  • None - other non-user-facing changes

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