fix: pin next.js to 14.1.1 for CVE mitigation

Author: Ojas2095

package.json

@@ -22,7 +22,7 @@
     "i18next": "^24.2.3",
     "i18next-http-backend": "^3.0.2",
     "motion": "^12.26.2",
-    "next": "^16.1.1",
+    "next": "14.1.1",
     "react": "^19.2.3",
     "react-dom": "^19.2.3",
     "react-hook-form": "^7.71.1",