perf: 장소 조회 응답 캐시 도입 (역지오코딩 7일 · 검색 1시간) - #372

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@v4. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/