fix(package): update deepcopy to version 1.0.0 (#4775)

Author: greenkeeper[bot]

package.json

@@ -26,7 +26,7 @@
     "bcryptjs": "2.4.3",
     "body-parser": "1.18.3",
     "commander": "2.15.1",
-    "deepcopy": "0.6.3",
+    "deepcopy": "1.0.0",
     "express": "4.16.2",
     "intersect": "1.0.1",
     "lodash": "4.17.5",