chore(deps-dev): bump aegir from 27.0.0 to 28.0.2 (#63)

Bumps [aegir](https://github.com/ipfs/aegir) from 27.0.0 to 28.0.2.
- [Release notes](https://github.com/ipfs/aegir/releases)
- [Changelog](https://github.com/ipfs/aegir/blob/master/CHANGELOG.md)
- [Commits](https://github.com/ipfs/aegir/compare/v27.0.0...v28.0.2)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>

package.json

@@ -30,7 +30,7 @@
   "devDependencies": {
     "@types/chai": "^4.2.8",
     "@types/mocha": "^8.0.0",
-    "aegir": "^27.0.0",
+    "aegir": "^28.0.2",
     "uint8arrays": "^1.1.0"
   },
   "dependencies": {