Change spacing after second level dot point when followed by another first level dot point

[RohanAlexander]

Does anyone know how to adjust the spacing after a second level dot point when it is followed by another first level dot point?
Example of current behaviour:

Mock up of desired behaviour:

[baptiste]

maybe something like this

---
title: "Untitled"
format:  
  html:
    include-in-header: 
      - text: |
          <style>
          ul li ul {
           margin-bottom:0em;
           }
          </style>
---

- item
  - subitem
  - subitem
  - subitem
- item
- item
  - subitem
- item

text

[RohanAlexander]

This works perfectly. Thank you very much.