fix(deps): update nextjs monorepo to v15.5.4 (#862)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

kompassi-v2-frontend/package-lock.json

@@ -21,7 +21,7 @@
     "@js-temporal/polyfill": "^0.5.1",
     "bootstrap": "^5.3.5",
     "motion": "^12.0.0",
-    "next": "15.5.3",
+    "next": "15.5.4",
     "next-auth": "^4.24.11",
     "next-intl": "^4.3.4",
     "react": "19.1.1",
@@ -41,7 +41,7 @@
     "@types/react-dom": "19.1.9",
     "concurrently": "^9.0.0",
     "eslint": "^9",
-    "eslint-config-next": "15.5.3",
+    "eslint-config-next": "15.5.4",
     "eslint-config-prettier": "^10.1.8",
     "prettier": "^3.6.2",
     "sass": "^1.69.5",