[extractor/Rumble] fix: updated field extraction

[trislee]

IMPORTANT: PRs without the template will be CLOSED

Description of your pull request and other information

Updated the Rumble extractor

• fixed extraction of view_count(HTML pattern had changed, now it uses tag in script head)
• fixed extraction of like_count (HTML pattern had changed)
• added extraction of dislike_count
• updated fields in test info_dicts to work
• added additional _EMBED_REGEX to RumbleIE to be able to correctly handle live videos, for example those on https://rumble.com/browse/live (this was required to fix an existing test)

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
• Checked the code with flake8 and ran relevant tests

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
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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 Summary

🤖 Generated by Copilot at 042516d

Summary

🛠️🆕📺

Update rumble.py extractors and tests to match Rumble website changes. Fix test failures, add new fields, and support more embed types.

RumbleIE changes
Extract more fields and types
Winter of fixes

Walkthrough

• Add like, dislike, and view count extraction to RumbleIE (link, link)
• Update test cases of RumbleIE to match new extractor output and website layout (link, link, link, link, link)
• Add new regex pattern to RumbleIE to support new videostream__link class (link)
• Update test cases of RumbleEmbedIE to fix failures and improve accuracy (link, link, link, link)