feat: v13 safety alerts channel and mention raid protection

[jaw0r3k]

Please describe the changes this PR makes and why it should be merged: Backports:

• #8959

🤖 Generated by Copilot at 40244ae

Summary

🛡️🗣️🚨

This pull request adds two new features to the discord.js library: mention raid protection and safety alerts channel. Mention raid protection allows the user to create and edit rules that automatically moderate spam attacks that mention many users or roles in a guild. Safety alerts channel allows the user to access and edit the channel where Discord sends notifications about potential threats to the guild's security. The pull request modifies the AutoModerationRuleManager, AutoModerationRule, and Guild classes, and the GuildEditData type, to implement these features.

AutoModeration Protects from mention raids A new feature blooms

Walkthrough

• Add mention raid protection feature to auto moderation rules (link, link, link, link, link, link)
• Add safety alerts channel feature to guilds (link, link, link, link, link)

Status and versioning classification:

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2 Ignored Deployments

Name	Status	Preview	Comments	Updated (UTC)
discord-js	⬜️ Ignored (Inspect)			May 7, 2023 0:02am
discord-js-guide	⬜️ Ignored (Inspect)			May 7, 2023 0:02am

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