chore(deps): Update dependency next to v15.4.7 [SECURITY]

Author: renovate[bot]

package.json

@@ -76,7 +76,7 @@
     "axios": "^1.10.0",
     "d3": "^7.9.0",
     "jsdom": "^26.1.0",
-    "next": "15.4.3",
+    "next": "15.4.7",
     "next-auth": "5.0.0-beta.29",
     "react": "^19.1.0",
     "react-dom": "^19.1.0",