chore(package): update ipfs-repo to version 0.13.0

https://greenkeeper.io/

Author: greenkeeper[bot]

package.json

@@ -43,7 +43,7 @@
     "chai": "^3.5.0",
     "dirty-chai": "^1.2.2",
     "ipfs-block-service": "^0.9.0",
-    "ipfs-repo": "^0.12.0",
+    "ipfs-repo": "^0.13.0",
     "ncp": "^2.0.0",
     "pre-commit": "^1.2.2",
     "pull-generate": "^2.2.0",