[BUG] Unnecessary margin-bottom are applied to nested lists

[shimoju]

Describe the bug

• Device/Os: macOS Ventura 13.4
• Type: Desktop
• Browser and version: Chrome 114.0
• Hugo Version: v0.115.0+extended darwin/arm64
• Theme Version: master (4a924ce)

Steps to reproduce the behavior:

Unnecessary margin-bottom are applied to nested lists.
This example shows an extra space under the "D".

### ul li ul

- A
- B
    - C
    - D
- E

### ol li ol

1. A
2. B
    1. C
    2. D
3. E

Screenshots

Expected behavior:

Remove extra margin-bottom to nested lists. For example, apply the following CSS.

.post-content li ol,
.post-content li ul {
  margin-bottom: 0;
}

Margins for each item in the list are aligned.