Add GitLab cluster id to jupyter config

What does this MR do?

Add GitLab cluster id to jupyter config. So we can build a better integration between GitLab and Jupyter notebook using GitLab API

What are the relevant issue numbers?

Fixes https://gitlab.com/gitlab-org/gitlab-ce/issues/51594, https://gitlab.com/gitlab-org/gitlab-ce/issues/51474

Does this MR meet the acceptance criteria?

• Changelog entry added, if necessary
• Documentation created/updated
• Tests added for this feature/bug
• Conforms to the code review guidelines
• Conforms to the merge request performance guidelines
• Conforms to the style guides
• Conforms to the database guides