chore(deps): update dependency supertest to v7

Author: renovate[bot]

server/package.json

@@ -54,7 +54,7 @@
     "@types/express": "4.17.21",
     "@types/jest": "29.5.14",
     "@types/node": "22.15.3",
-    "@types/supertest": "6.0.3",
+    "@types/supertest": "7.2.1",
     "@typescript-eslint/eslint-plugin": "6.21.0",
     "@typescript-eslint/parser": "6.21.0",
     "eslint": "8.57.1",
@@ -66,7 +66,7 @@
     "prettier": "3.5.3",
     "prisma": "6.9.0",
     "source-map-support": "0.5.21",
-    "supertest": "6.3.4",
+    "supertest": "7.2.2",
     "ts-jest": "29.3.4",
     "ts-loader": "9.5.2",
     "ts-node": "10.9.2",