chore(package): update papaparse to version 5.1.1

Closes scratchfoundation#5018

Author: greenkeeper[bot]

package.json

@@ -80,7 +80,7 @@
     "minilog": "3.1.0",
     "mkdirp": "^0.5.1",
     "omggif": "1.0.9",
-    "papaparse": "4.6.2",
+    "papaparse": "5.1.1",
     "postcss-import": "^12.0.0",
     "postcss-loader": "^3.0.0",
     "postcss-simple-vars": "^5.0.1",