deps: update interface-store to 5.x.x (#304)

Author: achingbrain

packages/ipfs-unixfs-importer/package.json

@@ -164,7 +164,7 @@
     "err-code": "^3.0.1",
     "hamt-sharding": "^3.0.0",
     "interface-blockstore": "^5.0.0",
-    "interface-store": "^4.0.0",
+    "interface-store": "^5.0.1",
     "ipfs-unixfs": "^11.0.0",
     "it-all": "^2.0.0",
     "it-batch": "^2.0.0",