Fix wrong codecov script position

Author: simonepri

package.json

@@ -4,8 +4,7 @@
   "description": "Throw Restify errors easily and consistently!",
   "main": "index.js",
   "dependencies": {
-    "restify-errors": "^4.3.0",
-    "coverage": "nyc npm test && nyc report --reporter=text-lcov > coverage.lcov && codecov"
+    "restify-errors": "^4.3.0"
   },
   "devDependencies": {
     "ava": "*",
@@ -17,7 +16,8 @@
     "node": ">=6"
   },
   "scripts": {
-    "test": "xo && ava"
+    "test": "xo && ava",
+    "coverage": "nyc npm test && nyc report --reporter=text-lcov > coverage.lcov && codecov"
   },
   "repository": {
     "type": "git",