获取工作项类型列表

{
    "page_size": 30,
    "page_index": 0,
    "total": 6,
    "values": [
        {
            "id": "630da48bc9443b1aa94ce3ea",
            "url": "https://rest_api_root/v1/project/work_item_types/630da48bc9443b1aa94ce3ea",
            "name": "需求",
            "group": "requirement",
            "is_system": true
        },
        {
            "id": "630da48bc9443b1aa94ce3eb",
            "url": "https://rest_api_root/v1/project/work_item_types/630da48bc9443b1aa94ce3eb",
            "name": "任务",
            "group": "task",
            "is_system": true
        },
        {
            "id": "630da48bc9443b1aa94ce3ec",
            "url": "https://rest_api_root/v1/project/work_item_types/630da48bc9443b1aa94ce3ec",
            "name": "缺陷",
            "group": "bug",
            "is_system": true
        },
        {
            "id": "6385c650fef18f2d7222d15d",
            "url": "https://rest_api_root/v1/project/work_item_types/6385c650fef18f2d7222d15d",
            "name": "自定义",
            "group": "issue",
            "is_system": false
        },
        {
            "id": "630da48bc9443b1aa94ce3ee",
            "url": "https://rest_api_root/v1/project/work_item_types/630da48bc9443b1aa94ce3ee",
            "name": "阶段",
            "group": "plan",
            "is_system": true
        },
        {
            "id": "630da48bc9443b1aa94ce3ef",
            "url": "https://rest_api_root/v1/project/work_item_types/630da48bc9443b1aa94ce3ef",
            "name": "里程碑",
            "group": "plan",
            "is_system": true
        }
    ]
}