fix: 修改考试结束归档项目会导致项目删除的问题

seecoder-gitlab-server/src/main/java/com/nju/edu/gitlab/service/impl/ProjectServiceImpl.java

@@ -156,7 +156,7 @@ public class ProjectServiceImpl implements ProjectService {
 
     @Override
     public boolean archiveProject(int projectId) throws GitLabApiException {
-        gitlabApi.getProjectApi().deleteProject(projectId);
+        gitlabApi.getProjectApi().archiveProject(projectId);
         return true;
     }