⬆️ Upgrade test deps

Author: hirsch

package.json

@@ -47,7 +47,7 @@
     "@types/dotenv": "^4.0.2",
     "@types/express": "^4.0.39",
     "@types/faker": "^4.1.2",
-    "@types/helmet": "^0.0.37",
+    "@types/helmet": "0.0.41",
     "@types/lodash": "^4.14.80",
     "@types/morgan": "^1.7.35",
     "@types/reflect-metadata": "0.1.0",
@@ -117,14 +117,14 @@
   },
   "license": "MIT",
   "devDependencies": {
-    "@types/jest": "^22.2.3",
+    "@types/jest": "23.3.2",
     "@types/nock": "^9.1.3",
     "cross-env": "^5.1.1",
-    "jest": "^22.4.3",
+    "jest": "23.6.0",
     "mock-express-request": "^0.2.0",
     "mock-express-response": "^0.2.1",
     "nock": "^9.1.4",
     "sqlite3": "^4.0.0",
-    "ts-jest": "^22.4.4"
+    "ts-jest": "23.10.1"
   }
 }