fix migrate error by upgrading ganache-cli version (#249)

Author: kongliangzhong

packages/loopring_v3/package.json

@@ -46,9 +46,9 @@
     "chai": "^4.2.0",
     "copyfiles": "^2.1.0",
     "dirty-chai": "^2.0.1",
-    "ganache-cli": "6.2.4",
+    "ganache-cli": "6.4.3",
     "mocha": "^5.2.0",
-    "node": "8.11.3",
+    "node": "^10.15.3",
     "npm": "^6.9.0",
     "npm-watch": "^0.6.0",
     "solidity-coverage": "^0.5.11",