chore(package): update ipfs-api to version 7.0.0

https://greenkeeper.io/

Author: greenkeeperio-bot

package.json

@@ -68,7 +68,7 @@
     "glob": "^7.0.5",
     "hapi": "^14.0.0",
     "ipfs-bitswap": "^0.6.0",
-    "ipfs-api": "^6.0.3",
+    "ipfs-api": "^7.0.0",
     "ipfs-block": "^0.3.0",
     "ipfs-block-service": "^0.4.0",
     "ipfs-merkle-dag": "^0.6.2",