Update label qa and members info

1. Remove QA label
2. Add type::qa and its children label: https://jihulab.com/groups/gitlab-cn/-/labels?&search=qa::
3. Update members info: https://docs.google.com/spreadsheets/d/1HJ5zJLMm5dKxOdk_vhfwrxmJ-QoC4pIJHger8iReuKo

/cc @TomHeng @WilsonDuan @leiqi_jihulab