chore(deps): bump @libp2p/pubsub-peer-discovery from 11.0.2 to 12.0.0

Bumps [@libp2p/pubsub-peer-discovery](https://github.com/libp2p/js-libp2p-pubsub-peer-discovery) from 11.0.2 to 12.0.0.
- [Release notes](https://github.com/libp2p/js-libp2p-pubsub-peer-discovery/releases)
- [Changelog](https://github.com/libp2p/js-libp2p-pubsub-peer-discovery/blob/main/CHANGELOG.md)
- [Commits](libp2p/js-libp2p-pubsub-peer-discovery@v11.0.2...v12.0.0)

---
updated-dependencies:
- dependency-name: "@libp2p/pubsub-peer-discovery"
  dependency-version: 12.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

examples/js-libp2p-example-discovery-mechanisms/package.json

@@ -25,7 +25,7 @@
     "@libp2p/kad-dht": "^15.0.0",
     "@libp2p/mdns": "^11.0.0",
     "@libp2p/ping": "^2.0.27",
-    "@libp2p/pubsub-peer-discovery": "^11.0.0",
+    "@libp2p/pubsub-peer-discovery": "^12.0.0",
     "@libp2p/tcp": "^10.0.0",
     "libp2p": "^2.0.0"
   },