[infra] Database setting 보완

[GentleDot]

db connection 등 안정성 측면에서 옵션을 보완하고자 합니다.

[GentleDot]

[2025-02-27 20:01:37.512] [http-nio-8080-exec-9] [WARN ] com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection org.postgresql.jdbc.PgConnection@73a762f (This connection has been closed.). Possibly consider using a shorter maxLifetime value.