chore(package): update idb-plus-blob-store to version 1.1.2

https://greenkeeper.io/

Author: greenkeeperio-bot

package.json

@@ -37,7 +37,7 @@
     "buffer-loader": "^0.0.1",
     "chai": "^3.5.0",
     "fs-blob-store": "^5.2.1",
-    "idb-plus-blob-store": "^1.1.1",
+    "idb-plus-blob-store": "^1.1.2",
     "local-storage-blob-store": "0.0.3",
     "lodash": "^4.11.1",
     "ncp": "^2.0.0",