chore: bump flatted from 3.3.4 to 3.4.2

Bumps [flatted](https://github.com/WebReflection/flatted) from 3.3.4 to 3.4.2.
- [Commits](https://github.com/WebReflection/flatted/compare/v3.3.4...v3.4.2)

---
updated-dependencies:
- dependency-name: flatted
  dependency-version: 3.4.2
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <support@github.com>

package-lock.json

@@ -18,7 +18,7 @@
         "express": "^5.0.1",
         "http-proxy": "^1.18.1",
         "httpolyglot": "^0.1.2",
-        "i18next": "^25.3.0",
+        "i18next": "^25.8.3",
         "js-yaml": "^4.1.0",
         "limiter": "^2.1.0",
         "pem": "^1.14.8",
@@ -3095,9 +3095,9 @@
       }
     },
     "node_modules/flatted": {
-      "version": "3.3.4",
-      "resolved": "https://registry.npmjs.org/flatted/-/flatted-3.3.4.tgz",
-      "integrity": "sha512-3+mMldrTAPdta5kjX2G2J7iX4zxtnwpdA8Tr2ZSjkyPSanvbZAcy6flmtnXbEybHrDcU9641lxrMfFuUxVz9vA==",
+      "version": "3.4.2",
+      "resolved": "https://registry.npmjs.org/flatted/-/flatted-3.4.2.tgz",
+      "integrity": "sha512-PjDse7RzhcPkIJwy5t7KPWQSZ9cAbzQXcafsetQoD7sOJRQlGikNbx7yZp2OotDnJyrDcbyRq3Ttb18iYOqkxA==",
       "dev": true,
       "license": "ISC"
     },