Update dependency next to v15 [SECURITY]

Author: renovate[bot]

package.json

@@ -27,7 +27,7 @@
   "dependencies": {
     "clsx": "2.0.0",
     "geist": "1.2.1",
-    "next": "14.1.1",
+    "next": "15.5.14",
     "react": "18.2.0",
     "react-dom": "18.2.0",
     "react-icons": "4.12.0",