feat: add ordering to query searching for tokens to refresh

src/main/java/com/gw2auth/oauth2/server/repository/gw2account/apitoken/Gw2AccountApiTokenRepository.java

@@ -68,6 +68,7 @@ Gw2AccountApiTokenEntity save(@Param("account_id") UUID accountId,
     ON tk.account_id = acc.account_id AND tk.gw2_account_id = acc.gw2_account_id
     WHERE tk.last_valid_time >= :last_valid_time
     AND (tk.last_valid_check_time <= :last_valid_check_time OR acc.last_name_check_time <= :last_name_check_time)
+    ORDER BY tk.last_valid_check_time
     LIMIT :limit
     """)
     List<Gw2AccountRefreshEntity> findAllApplicableForRefresh(