Merge pull request #1497 from Trott/silence-deprecation-warning

fix: address deprecation warning on startup

src/robot.js

@@ -444,7 +444,7 @@ class Robot {
     app.use(express.query())
 
     app.use(express.json())
-    app.use(express.urlencoded({ limit, parameterLimit: paramLimit }))
+    app.use(express.urlencoded({ limit, parameterLimit: paramLimit, extended: true }))
     // replacement for deprecated express.multipart/connect.multipart
     // limit to 100mb, as per the old behavior
     app.use(multipart({ maxFilesSize: 100 * 1024 * 1024 }))