Merge pull request #5 from node-eval/greenkeeper/proxyquire-2.0.0

Update proxyquire to the latest version 🚀

Author: blond

package.json

@@ -30,7 +30,7 @@
     "eslint-config-pedant": "^1.0.0",
     "mocha": "^5.0.0",
     "nyc": "^11.3.0",
-    "proxyquire": "^1.8.0",
+    "proxyquire": "^2.0.0",
     "sinon": "^4.1.2",
     "sinon-chai": "^3.0.0"
   },