fix(core): Upgrade formidable to address CVE-2025-46653 (#15341)

package.json

@@ -51,7 +51,7 @@
     "@n8n/eslint-config": "workspace:*",
     "@types/jest": "^29.5.3",
     "@types/node": "*",
-    "@types/supertest": "^6.0.2",
+    "@types/supertest": "^6.0.3",
     "cross-env": "^7.0.3",
     "jest": "^29.6.2",
     "jest-environment-jsdom": "^29.6.2",
@@ -66,7 +66,7 @@
     "p-limit": "^3.1.0",
     "rimraf": "^5.0.1",
     "run-script-os": "^1.0.7",
-    "supertest": "^7.0.0",
+    "supertest": "^7.1.1",
     "ts-jest": "^29.1.1",
     "tsc-alias": "^1.8.10",
     "tsc-watch": "^6.2.0",
@@ -82,7 +82,6 @@
       "@types/node": "^18.16.16",
       "chokidar": "^4.0.1",
       "esbuild": "^0.24.0",
-      "formidable": "3.5.1",
       "pug": "^3.0.3",
       "semver": "^7.5.4",
       "tslib": "^2.6.2",