chore(package): update aegir to version 9.1.2

https://greenkeeper.io/

Author: greenkeeperio-bot

package.json

@@ -50,7 +50,7 @@
   },
   "homepage": "https://github.com/ipfs/js-ipfs#readme",
   "devDependencies": {
-    "aegir": "^9.1.1",
+    "aegir": "^9.1.2",
     "buffer-loader": "0.0.1",
     "chai": "^3.5.0",
     "detect-node": "^2.0.3",