chore(deps-dev): bump aegir from 26.0.0 to 28.1.0 (#86)

Bumps [aegir](https://github.com/ipfs/aegir) from 26.0.0 to 28.1.0.
- [Release notes](https://github.com/ipfs/aegir/releases)
- [Changelog](https://github.com/ipfs/aegir/blob/master/CHANGELOG.md)
- [Commits](ipfs/aegir@v26.0.0...v28.1.0)

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

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

Author: dependabot-preview[bot]

packages/ipfs-unixfs-exporter/package.json

@@ -36,7 +36,7 @@
   "homepage": "https://github.com/ipfs/js-ipfs-unixfs#readme",
   "devDependencies": {
     "abort-controller": "^3.0.0",
-    "aegir": "^26.0.0",
+    "aegir": "^28.1.0",
     "detect-node": "^2.0.4",
     "ipfs-unixfs-importer": "^3.0.4",
     "ipld": "^0.27.0",

packages/ipfs-unixfs-importer/package.json

@@ -35,7 +35,7 @@
   },
   "homepage": "https://github.com/ipfs/js-ipfs-unixfs#readme",
   "devDependencies": {
-    "aegir": "^26.0.0",
+    "aegir": "^28.1.0",
     "cids": "^1.0.0",
     "detect-node": "^2.0.4",
     "ipfs-unixfs-exporter": "^3.0.4",

packages/ipfs-unixfs/package.json

@@ -35,7 +35,7 @@
   },
   "homepage": "https://github.com/ipfs/js-ipfs-unixfs#readme",
   "devDependencies": {
-    "aegir": "^26.0.0",
+    "aegir": "^28.1.0",
     "nyc": "^15.0.0",
     "uint8arrays": "^1.1.0"
   },