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

Author: renovate[bot]

package.json

@@ -51,7 +51,7 @@
     "@vercel/otel": "^1.12.0",
     "class-variance-authority": "^0.7.0",
     "lodash": "^4.17.21",
-    "next": "15.3.3",
+    "next": "15.4.7",
     "react": "^19.1.0",
     "react-dom": "^19.1.0",
     "tailwind-merge": "^2.6.0",