chore(deps): bump @discordjs/opus from 0.7.0 to 0.8.0 (#1192)

Bumps [@discordjs/opus](https://github.com/discordjs/opus) from 0.7.0 to 0.8.0.
- [Release notes](https://github.com/discordjs/opus/releases)
- [Commits](discordjs/opus@v0.7.0...v0.8.0)

---
updated-dependencies:
- dependency-name: "@discordjs/opus"
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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package.json

@@ -39,7 +39,7 @@
     "nodemon": "^2.0.19"
   },
   "optionalDependencies": {
-    "@discordjs/opus": "^0.7.0",
+    "@discordjs/opus": "^0.8.0",
     "opusscript": "^0.0.8",
     "sodium-native": "^3.3.0",
     "tweetnacl": "^1.0.3",