Merge pull request #134 from rollbar/wj-rollbar.js-2.19.3

Update rollbar.js to 2.19.3

Author: waltjones

package.json

@@ -17,7 +17,7 @@
   },
   "dependencies": {
     "buffer": "^4.9.1 || ^5.0.7",
-    "rollbar": "^2.16.1",
+    "rollbar": "^2.19.3",
     "url": "^0.11.0"
   },
   "devDependencies": {