chore: update supertest to v7

Author: pi0

package.json

@@ -62,7 +62,7 @@
     "prettier": "^3.2.5",
     "react": "^18.3.1",
     "react-dom": "^18.3.1",
-    "supertest": "^6.3.4",
+    "supertest": "^7.0.0",
     "typescript": "^5.4.5",
     "unbuild": "^2.0.0",
     "vitest": "^1.5.2",