chore: update aegir dep

Author: achingbrain

package.json

@@ -35,7 +35,7 @@
   },
   "homepage": "https://github.com/ipfs/js-ipfs-unixfs#readme",
   "devDependencies": {
-    "aegir": "^12.1.3",
+    "aegir": "^13.1.0",
     "chai": "^4.1.2",
     "dirty-chai": "^2.0.1",
     "pre-commit": "^1.2.2",