fix(package): update ganache-cli to version 6.4.4

greenkeeper[bot] · greenkeeper[bot] · commit 67b22377dcab · 2019-06-13T14:07:37.000Z
Closes #7
diff --git a/package.json b/package.json
@@ -6,7 +6,7 @@
     "test": "test"
   },
   "dependencies": {
-    "ganache-cli": "6.4.1",
+    "ganache-cli": "6.4.4",
     "truffle": "5.0.11",
     "web3": "1.0.0-beta.52"
   },
