chore(package): update tmp to version 0.2.1

Closes #207

Author: greenkeeper[bot]

package.json

@@ -137,7 +137,7 @@
     "nyc": "^10.1.2",
     "rimraf": "^2.6.1",
     "sanitize-filename": "^1.6.1",
-    "tmp": "^0.0.31",
+    "tmp": "^0.2.1",
     "ts-node": "^3.3.0",
     "tslint": "^4.5.0",
     "typedoc": "^0.5.7",