deps(dev): bump aegir from 37.12.1 to 38.1.6 (#48)

Bumps [aegir](https://github.com/ipfs/aegir) from 37.12.1 to 38.1.6.
- [Release notes](https://github.com/ipfs/aegir/releases)
- [Changelog](https://github.com/ipfs/aegir/blob/master/CHANGELOG.md)
- [Commits](ipfs/aegir@v37.12.1...v38.1.6)

---
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>
Co-authored-by: Alex Potsides <alex@achingbrain.net>

package.json

@@ -159,7 +159,7 @@
     "p-defer": "^4.0.0"
   },
   "devDependencies": {
-    "aegir": "^37.4.8",
+    "aegir": "^38.1.6",
     "it-all": "^2.0.0",
     "it-drain": "^2.0.0",
     "it-pipe": "^2.0.0"