security: upgrade React and Next.js to patch vulnerabilities

- Upgrade Next.js from 15.5.4 to 15.5.9
- Upgrade React from 19.1.0 to 19.1.4
- Upgrade React-dom from 19.1.0 to 19.1.4

Fixes CVE-2025-55182 (React2Shell RCE), CVE-2025-55184, CVE-2025-67779 (DoS), and CVE-2025-55183 (Source Code Exposure)

Author: pettinarip

package.json

@@ -47,11 +47,11 @@
     "geist": "latest",
     "input-otp": "1.4.1",
     "lucide-react": "^0.454.0",
-    "next": "15.5.4",
+    "next": "15.5.9",
     "next-themes": "^0.4.6",
-    "react": "19.1.0",
+    "react": "19.1.4",
     "react-day-picker": "9.8.0",
-    "react-dom": "19.1.0",
+    "react-dom": "19.1.4",
     "react-hook-form": "^7.60.0",
     "react-resizable-panels": "^2.1.7",
     "recharts": "2.15.4",
@@ -71,4 +71,4 @@
     "tw-animate-css": "1.3.3",
     "typescript": "^5"
   }
-}
+}