[ie/XiaoHongShu] Extract more formats

[seproDev]

IMPORTANT: PRs without the template will be CLOSED

Description of your pull request and other information

Extract source formats and fix bitrate calculation

Template

Before submitting a pull request make sure you have:

• At least skimmed through contributing guidelines including yt-dlp coding conventions
• Searched the bugtracker for similar pull requests

In order to be accepted and merged into yt-dlp each piece of code must be in public domain or released under Unlicense. Check all of the following options that apply:

• I am the original author of this code and I am willing to release it under Unlicense
• I am not the original author of this code but it is in public domain or released under Unlicense (provide reliable evidence)

What is the purpose of your pull request?

• Fix or improvement to an extractor (Make sure to add/update tests)
• New extractor (Piracy websites will not be accepted)
• Core bug fix/improvement
• New feature (It is strongly recommended to open an issue first)

[Copilot]

Copilot reviewed 1 out of 1 changed files in this pull request and generated no comments.

[DTrombett]

Also I think on line 50 ('h264', 'av1', 'h265') can be replaced with ... so that it works with other formats, if added, too