chore: update deps

Author: daviddias

package.json

@@ -30,7 +30,7 @@
     "flatmap": "0.0.3",
     "glob": "^7.1.1",
     "ipfs-block": "^0.5.0",
-    "ipld-dag-pb": "^0.8.0",
+    "ipld-dag-pb": "^0.9.0",
     "is-ipfs": "^0.2.1",
     "isstream": "^0.1.2",
     "multiaddr": "^2.0.3",
@@ -61,7 +61,7 @@
     "eslint-plugin-react": "^6.7.1",
     "gulp": "^3.9.1",
     "hapi": "^15.2.0",
-    "interface-ipfs-core": "^0.20.1",
+    "interface-ipfs-core": "^0.21.0",
     "ipfsd-ctl": "^0.17.0",
     "pre-commit": "^1.1.3",
     "socket.io": "^1.5.1",