chore(deps): update dependency supertest to v7

Author: renovate[bot]

nestjs-auth/package.json

@@ -60,7 +60,7 @@
     "lint-staged": "^15.2.0",
     "prettier": "^3.1.1",
     "source-map-support": "^0.5.21",
-    "supertest": "^6.3.3",
+    "supertest": "^7.0.0",
     "ts-jest": "^29.1.0",
     "ts-loader": "^9.4.3",
     "ts-node": "^10.9.2",