Bump @discordjs/opus from 0.3.2 to 0.8.0

Bumps [@discordjs/opus](https://github.com/discordjs/opus) from 0.3.2 to 0.8.0.
- [Release notes](https://github.com/discordjs/opus/releases)
- [Commits](discordjs/opus@v0.3.2...v0.8.0)

---
updated-dependencies:
- dependency-name: "@discordjs/opus"
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>