chore(deps): bump next from 14.2.21 to 14.2.25 in /examples/nextjs (#4527)

Author: dependabot[bot]

examples/nextjs/package.json

@@ -10,7 +10,7 @@
   },
   "dependencies": {
     "elastic-apm-node": "elastic/apm-agent-nodejs#main",
-    "next": "14.2.21",
+    "next": "14.2.25",
     "react": "18.2.0",
     "react-dom": "18.2.0"
   },