fix(package): update body-parser to version 1.18.0 (#4139)

Author: greenkeeper[bot]

package.json

@@ -19,7 +19,7 @@
   "license": "BSD-3-Clause",
   "dependencies": {
     "bcryptjs": "2.4.3",
-    "body-parser": "1.17.2",
+    "body-parser": "1.18.0",
     "commander": "2.11.0",
     "deepcopy": "0.6.3",
     "express": "4.15.3",