chore(deps): bump libp2p from 0.45.9 to 0.46.8

Bumps [libp2p](https://github.com/libp2p/js-libp2p) from 0.45.9 to 0.46.8.
- [Release notes](https://github.com/libp2p/js-libp2p/releases)
- [Changelog](https://github.com/libp2p/js-libp2p/blob/master/.release-please.json)
- [Commits](libp2p/js-libp2p@libp2p-v0.45.9...libp2p-v0.46.8)

---
updated-dependencies:
- dependency-name: libp2p
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

examples/helia-101/package.json

@@ -20,7 +20,7 @@
     "blockstore-core": "^4.1.0",
     "datastore-core": "^9.1.1",
     "helia": "^1.0.0",
-    "libp2p": "^0.45.0"
+    "libp2p": "^0.46.8"
   },
   "devDependencies": {
     "test-ipfs-example": "^1.0.0"