HTTPS for JupyterHub installation

What does this MR do?

Automatically creates TLS certificate for Jupyter installation i.e. Jupyter is available over HTTPS right after installation.

What are the relevant issue numbers?

https://gitlab.com/gitlab-org/gitlab-ce/issues/52753

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
• Link to e2e tests MR added if this MR has Requires e2e tests label. See the Test Planning Process.
• Security reports checked/validated by reviewer