chore(docs): use latest docs docker image and linting configuration docs

What does this merge request do and why?

Update project to use the latest linting configuration for projects that aren't published.

Job with updated tooling: https://gitlab.com/gitlab-org/modelops/applied-ml/code-suggestions/ai-assist/-/jobs/7815924504.

Merge request checklist

• Tests added for new functionality. If not, please raise an issue to follow up.
• Documentation added/updated, if needed.