fix(package): update ipfs-utils to version 0.7.0

Closes #2709

Author: greenkeeper[bot]

package.json

@@ -106,7 +106,7 @@
     "ipfs-unixfs": "^0.3.0",
     "ipfs-unixfs-exporter": "^0.40.0",
     "ipfs-unixfs-importer": "^0.43.0",
-    "ipfs-utils": "^0.4.2",
+    "ipfs-utils": "^0.7.0",
     "ipld": "~0.25.0",
     "ipld-bitcoin": "~0.3.0",
     "ipld-dag-cbor": "~0.15.0",