Update dependency next to v15.4.7 [SECURITY]

Author: renovate[bot]

package.json

@@ -26,7 +26,7 @@
     "graphql": "^16.10.0",
     "ky": "^1.8.1",
     "libsql": "^0.5.5",
-    "next": "15.3.0",
+    "next": "15.4.7",
     "payload": "^3.34.0",
     "payload-oapi": "0.2.0",
     "react": "19.1.0",