chore: bump execa from 6.1.0 to 7.0.0 (#272)

Bumps [execa](https://github.com/sindresorhus/execa) from 6.1.0 to 7.0.0.
- [Release notes](https://github.com/sindresorhus/execa/releases)
- [Commits](sindresorhus/execa@v6.1.0...v7.0.0)

---
updated-dependencies:
- dependency-name: execa
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

package.json

@@ -98,7 +98,7 @@
     "@multiformats/multiaddr": "^11.0.3",
     "aegir": "^37.3.0",
     "benchmark": "^2.1.4",
-    "execa": "^6.1.0",
+    "execa": "^7.0.0",
     "go-libp2p": "^0.0.6",
     "iso-random-stream": "^2.0.2",
     "libp2p": "^0.42.0",