Update graphql-upload to the latest version 🚀 (#6121)

* fix(package): update graphql-upload to version 8.1.0

* chore(package): update lockfile package-lock.json

Author: greenkeeper[bot]

package-lock.json

@@ -35,7 +35,7 @@
     "graphql": "14.5.8",
     "graphql-list-fields": "2.0.2",
     "graphql-tools": "^4.0.5",
-    "graphql-upload": "8.0.7",
+    "graphql-upload": "8.1.0",
     "intersect": "1.0.1",
     "jsonwebtoken": "8.5.1",
     "lodash": "4.17.15",