chore(deps): update dependency eslint-config-next to v15.5.12

Author: renovate[bot]

package.json

@@ -63,7 +63,7 @@
     "@types/react": "^19",
     "@types/react-dom": "^19",
     "eslint": "^9",
-    "eslint-config-next": "15.5.2",
+    "eslint-config-next": "15.5.12",
     "eslint-config-prettier": "^10.1.5",
     "eslint-plugin-import": "^2.31.0",
     "eslint-plugin-prettier": "^5.5.0",