fix: 给项目添加成员调用方法错误

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

@@ -229,7 +229,7 @@ public class ProjectServiceImpl implements ProjectService {
         int userId = updateMemberDTO.getUserId();
         GitlabUser gitlabUser = getGitlabUser(userId);
         AccessLevel accessLevel = updateMemberDTO.getAccessLevel();
-        gitlabApi.getProjectApi().updateMember(projectId,gitlabUser.getGitlabUserId(),accessLevel);
+        gitlabApi.getProjectApi().addMember(projectId,gitlabUser.getGitlabUserId(),accessLevel);
         return true;
     }