chore(package): update ipld-dag-pb to version 0.9.4

https://greenkeeper.io/

Author: greenkeeper[bot]

package.json

@@ -57,7 +57,7 @@
     "cids": "^0.4.0",
     "deep-extend": "^0.4.1",
     "ipfs-unixfs": "^0.1.9",
-    "ipld-dag-pb": "^0.9.3",
+    "ipld-dag-pb": "^0.9.4",
     "ipld-resolver": "^0.4.1",
     "is-ipfs": "^0.2.1",
     "multihashes": "^0.3.1",