chore(deps): bump @twurple/pubsub from 5.3.4 to 6.0.5

Bumps [@twurple/pubsub](https://github.com/twurple/twurple/tree/HEAD/packages/pubsub) from 5.3.4 to 6.0.5.
- [Release notes](https://github.com/twurple/twurple/releases)
- [Commits](https://github.com/twurple/twurple/commits/v6.0.5/packages/pubsub)

---
updated-dependencies:
- dependency-name: "@twurple/pubsub"
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

services/nodecg-io-twitch-pubsub/package.json

@@ -40,6 +40,6 @@
         "nodecg-io-core": "^0.3.0",
         "nodecg-io-twitch-auth": "^0.3.0",
         "@twurple/api": "^5.3.4",
-        "@twurple/pubsub": "^5.3.4"
+        "@twurple/pubsub": "^6.0.5"
     }
 }