chore(deps): update dependency supertest to v7

Author: renovate[bot]

package.json

@@ -126,7 +126,7 @@
     "pkg-types": "^1.3.1",
     "playwright": "^1.56.1",
     "prettier": "^3.6.2",
-    "supertest": "^6.3.3",
+    "supertest": "^7.0.0",
     "typescript": "^5.9.3",
     "typescript-eslint": "^8.46.3",
     "typedoc": "^0.28.14",