update @openzeppelin/gsn-helpers

package-lock.json

@@ -434,16 +434,15 @@
       }
     },
     "@openzeppelin/gsn-helpers": {
-      "version": "0.1.0-rc.2",
-      "resolved": "https://registry.npmjs.org/@openzeppelin/gsn-helpers/-/gsn-helpers-0.1.0-rc.2.tgz",
-      "integrity": "sha512-CwVfQ4Lsq728NXkrAHfj0WzqdVzpqNWoOJq8it1CCjZCnehTqWNYVTMURvvHnhJnPPu3lW9m2hn9ht0ea/ncXg==",
+      "version": "0.1.4",
+      "resolved": "https://registry.npmjs.org/@openzeppelin/gsn-helpers/-/gsn-helpers-0.1.4.tgz",
+      "integrity": "sha512-RELmLAI5FZMkmszBcryBLAvgi6YRTKjOyeLVZVNP+Cg0ZqfDGSGKG85yuplMgRyMtqh5wPDf5Ah5YiCFjrjVfw==",
       "dev": true,
       "requires": {
         "axios": "^0.19.0",
         "chai": "^4.2.0",
         "commander": "^2.20.0",
         "lodash": "^4.17.15",
-        "openzeppelin-test-helpers": "^0.4.1",
         "sleep-promise": "^8.0.1",
         "web3": "^1.2.0"
       },

package.json

@@ -44,7 +44,7 @@
   },
   "homepage": "https://github.com/OpenZeppelin/openzeppelin-contracts",
   "devDependencies": {
-    "@openzeppelin/gsn-helpers": "0.1.0-rc.2",
+    "@openzeppelin/gsn-helpers": "^0.1.4",
     "@openzeppelin/gsn-provider": "^0.1.4",
     "chai": "^4.2.0",
     "concurrently": "^4.1.0",