fix 修复 邮件组件引包错误问题

ruoyi-common/ruoyi-common-mail/src/main/java/org/dromara/common/mail/config/MailConfiguration.java

@@ -1,6 +1,6 @@
 package org.dromara.common.mail.config;
 
-import cn.hutool.extra.mail.MailAccount;
+import org.dromara.common.mail.utils.MailAccount;
 import org.dromara.common.mail.config.properties.MailProperties;
 import org.springframework.boot.autoconfigure.AutoConfiguration;
 import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;