chore(package): update truffle-hdwallet-provider to version 1.0.9

Closes #79

Author: greenkeeper[bot]

package.json

@@ -82,7 +82,7 @@
     "solidity-coverage": "^0.5.5",
     "solium": "^1.1.8",
     "truffle": "^4.1.13",
-    "truffle-hdwallet-provider": "0.0.7-beta.1",
+    "truffle-hdwallet-provider": "1.0.9",
     "truffle-privatekey-provider": "^1.0.0",
     "utf8-bytes": "0.0.1"
   },