deps(dev): bump aegir from 39.0.13 to 40.0.8 (#160)

Bumps [aegir](https://github.com/ipfs/aegir) from 39.0.13 to 40.0.8.
- [Release notes](https://github.com/ipfs/aegir/releases)
- [Changelog](https://github.com/ipfs/aegir/blob/master/CHANGELOG.md)
- [Commits](ipfs/aegir@v39.0.13...v40.0.8)

---
updated-dependencies:
- dependency-name: aegir
  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>

Author: dependabot[bot]

package.json

@@ -138,7 +138,7 @@
     "@multiformats/multiaddr": "^12.0.0"
   },
   "devDependencies": {
-    "aegir": "^39.0.6",
+    "aegir": "^40.0.8",
     "uint8arrays": "^4.0.3"
   }
 }