fix(package): update uuid to version 7.0.2

Closes #40

Author: greenkeeper[bot]

package.json

@@ -39,7 +39,7 @@
     "graphql-resolvers": "^0.3.2",
     "jsonwebtoken": "^8.4.0",
     "mongoose": "^5.3.14",
-    "uuid": "^3.3.2",
+    "uuid": "^7.0.2",
     "validator": "^10.9.0"
   }
 }