Update dependency supertest to v7

Author: renovate[bot]

package-lock.json

@@ -52,7 +52,7 @@
     "sequelize": "^6.21.3",
     "slugify": "^1.6.6",
     "sqlite3": "^5.0.11",
-    "supertest": "^6.3.4",
+    "supertest": "^7.0.0",
     "winston": "^3.17.0"
   },
   "devDependencies": {