[BUG] Channel attributes missing

[Mias15]

Library Version

5.8.0

Describe the Bug

• GuildNews is missing: rate_limit_per_user
• VoiceChannel is missing: rate_limit_per_user, default_auto_archive_duration
• ForumChannel is missing: available_tags, rate_limit_per_user, default_thread_rate_limit_per_user, default_sort_order, default_forum_layout

Steps to Reproduce

Try to retrieve the above attributes during the creation create event of the specific channel ... as an example, the attribute rate_limit_per_user can be set (during the creation/editing of the channel), but can't be readed out

Expected Results

that the missing attributes would be present

Minimal Reproducible Code

async def on_channel_create_event(self, event: events.ChannelCreate):
    print(event.channel.rate_limit_per_user)

Traceback

No response

Checklist

• I have searched the open issues for duplicates.
• I have shown the entire traceback, if possible.
• I have removed my token from display, if visible.
• I have attempted to debug this myself, and I believe this issue is with the library

Additional Information

No response

[AstreaTSS]

This is useful... but what did you get instead of the expected response? Simply the fact that it could not be read is a bit vague and could mean a lot.

[Mias15]

get some nice attribute errors