feat: add rate limit per user where needed

[LordOfPolls]

Pull Request Type

• Feature addition
• Bugfix
• Documentation update
• Code refactor
• Tests improvement
• CI/CD pipeline enhancement
• Other: [Replace with a description]

Description

Adds rate_limit_per_user to channels that support it

Changes

• as above

Related Issues

#1486

Test Scenarios

@listen()
async def startup(event):
    guild = bot.get_guild(852402668294766612)
    channels = []

    category = await guild.create_category("test category", reason="test reason")

    try:
        channels.append(await guild.create_text_channel("test channel", category=category, reason="test reason"))
        channels.append(await guild.create_news_channel("test news channel", category=category, reason="test reason"))
        channels.append(await guild.create_voice_channel("test voice channel", category=category, reason="test reason"))
        channels.append(await guild.create_forum_channel("test forum channel", category=category, reason="test reason"))

        for channel in channels:
            print(f"{channel.type} {channel.rate_limit_per_user}")
    finally:
        breakpoint()
        for channel in channels:
            await channel.delete(reason="test reason")
        await category.delete(reason="test reason")

Python Compatibility

• I've ensured my code works on Python 3.10.x
• I've ensured my code works on Python 3.11.x

Checklist

• I've run the pre-commit code linter over all edited files
• I've tested my changes on supported Python versions
• I've added tests for my code, if applicable
• I've updated / added documentation, where applicable

[codecov-commenter]

Codecov Report

Patch and project coverage have no change.

Comparison is base (6a2d8e6) 45.80% compared to head (6a2d8e6) 45.80%.

❗ Current head 6a2d8e6 differs from pull request most recent head 335d524. Consider uploading reports for the commit 335d524 to get more accurate results

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Additional details and impacted files

@@            Coverage Diff            @@
##           unstable    #1489   +/-   ##
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  Coverage     45.80%   45.80%           
=========================================
  Files           143      143           
  Lines         15282    15282           
=========================================
  Hits           7000     7000           
  Misses         8282     8282           

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