chore: bump libp2p from 0.42.2 to 0.43.2 (#294)

Bumps [libp2p](https://github.com/libp2p/js-libp2p) from 0.42.2 to 0.43.2.
- [Release notes](https://github.com/libp2p/js-libp2p/releases)
- [Changelog](https://github.com/libp2p/js-libp2p/blob/master/CHANGELOG.md)
- [Commits](libp2p/js-libp2p@v0.42.2...v0.43.2)

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

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Author: dependabot[bot]

package.json

@@ -101,7 +101,7 @@
     "execa": "^7.0.0",
     "go-libp2p": "^0.0.6",
     "iso-random-stream": "^2.0.2",
-    "libp2p": "^0.42.0",
+    "libp2p": "^0.43.2",
     "mkdirp": "^2.0.0",
     "p-defer": "^4.0.0",
     "protons": "^7.0.0",