fix(deps): update dependency next to v15.4.7 [security]

Author: renovate[bot]

package.json

@@ -28,7 +28,7 @@
 		"fumadocs-mdx": "11.7.1",
 		"fumadocs-ui": "15.6.7",
 		"lucide-react": "0.534.0",
-		"next": "15.3.5",
+		"next": "15.4.7",
 		"next-themes": "^0.4.6",
 		"payload": "^3.63.0",
 		"react": "19.1.1",