fix(deps): update nextjs monorepo to v15.5.5

Author: renovate[bot]

ui/package.json

@@ -21,7 +21,7 @@
     "axios": "^1.11.0",
     "jsx-dev-runtime": "link:@emotion/react/jsx-dev-runtime",
     "lodash": "^4.17.21",
-    "next": "15.5.2",
+    "next": "15.5.5",
     "next-themes": "^0.4.6",
     "react": "19.2.0",
     "react-dom": "19.2.0",
@@ -33,7 +33,7 @@
     "@types/react": "^19.1.10",
     "@types/react-dom": "^19.1.7",
     "eslint": "^9.33.0",
-    "eslint-config-next": "15.5.2",
+    "eslint-config-next": "15.5.5",
     "postcss": "^8.5.6",
     "tailwindcss": "^4.1.12",
     "typescript": "^5.9.2"