fix(package): update body-parser to version 1.19.0

Closes #408

Author: greenkeeper[bot]

package.json

@@ -28,7 +28,7 @@
   },
   "dependencies": {
     "async": "2.6.0",
-    "body-parser": "1.18.2",
+    "body-parser": "1.19.0",
     "cookie-parser": "1.4.3",
     "debug": "3.1.0",
     "express": "4.16.2",