deps(dev): bump @libp2p/peer-id-factory from 2.0.4 to 3.0.3 (#251)

Bumps [@libp2p/peer-id-factory](https://github.com/libp2p/js-libp2p) from 2.0.4 to 3.0.3.
- [Release notes](https://github.com/libp2p/js-libp2p/releases)
- [Changelog](https://github.com/libp2p/js-libp2p/blob/master/.release-please.json)
- [Commits](https://github.com/libp2p/js-libp2p/commits/keychain-v3.0.3)

---
updated-dependencies:
- dependency-name: "@libp2p/peer-id-factory"
  dependency-type: direct:development
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

package.json

@@ -181,7 +181,7 @@
     "uint8arrays": "^4.0.2"
   },
   "devDependencies": {
-    "@libp2p/peer-id-factory": "^2.0.0",
+    "@libp2p/peer-id-factory": "^3.0.3",
     "aegir": "^40.0.11",
     "protons": "^7.0.2"
   }