chore(deps): bump discord.js from 13.3.1 to 13.6.0

Bumps [discord.js](https://github.com/discordjs/discord.js) from 13.3.1 to 13.6.0.
- [Release notes](https://github.com/discordjs/discord.js/releases)
- [Changelog](https://github.com/discordjs/discord.js/blob/13.6.0/CHANGELOG.md)
- [Commits](discordjs/discord.js@13.3.1...13.6.0)

---
updated-dependencies:
- dependency-name: discord.js
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]