feat: LoginHistoryRepository에 회원 ID(PK)로 조회하는 메서드 추가

src/main/kotlin/roomescape/auth/infrastructure/persistence/LoginHistoryRepository.kt

@@ -2,4 +2,7 @@ package roomescape.auth.infrastructure.persistence
 
 import org.springframework.data.jpa.repository.JpaRepository
 
-interface LoginHistoryRepository : JpaRepository<LoginHistoryEntity, Long>
+interface LoginHistoryRepository : JpaRepository<LoginHistoryEntity, Long> {
+
+    fun findByPrincipalId(principalId: Long): List<LoginHistoryEntity>
+}