Comments in a SequenceNode are removed when adding a new element to the SequenceNode

[suzuki-shunsuke]

Describe the bug
A clear and concise description of what the bug is.

I want to append a new element to a SequenceNode keeping comments.
I could append a new element but comments in the SequenceNode were removed.

To Reproduce

Please provide a minimum yaml content that can be reproduced.
We are more than happy to use Go Playground

https://go.dev/play/p/27cMKnuAVKM

Expected behavior
A clear and concise description of what you expected to happen.

Original YAML:

packages:
  - foo
  # hello
  - bar

I want to append a new element to the packages keeping the comment # hello.

packages:
  - foo
  # hello
  - bar
  - zoo

But actually the comment was removed.

packages:
  - foo
  - bar
  - zoo

Screenshots
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Version Variables

• Go version: [e.g. 1.21 ] 1.23.2
• go-yaml's Version: [e.g. v1.11.1 ] 1.13.3

Additional context
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