build(deps-dev): bump @discordjs/opus from 0.3.3 to 0.4.0 (#255)

Bumps [@discordjs/opus](https://github.com/discordjs/opus) from 0.3.3 to 0.4.0.
- [Release notes](https://github.com/discordjs/opus/releases)
- [Commits](https://github.com/discordjs/opus/compare/v0.3.3...v0.4.0)

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

Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>

package.json

@@ -45,7 +45,7 @@
     "ytdl-core": "^4.4.3"
   },
   "devDependencies": {
-    "@discordjs/opus": "^0.3.2",
+    "@discordjs/opus": "^0.4.0",
     "discord.js": "^12.2.0",
     "eslint": "^7.1.0",
     "eslint-config-standard": "^16.0.2",