Update dependency supertest to v7

Author: renovate[bot]

package-lock.json

@@ -69,7 +69,7 @@
     "jest": "^29.7.0",
     "prettier": "^3.0.3",
     "source-map-support": "^0.5.21",
-    "supertest": "^6.3.3",
+    "supertest": "^7.0.0",
     "ts-jest": "^29.1.1",
     "ts-loader": "^9.4.4",
     "ts-node": "^10.9.1",