更改：项目列表返回具体时间

app/views/projects/index.json.jbuilder

@@ -13,6 +13,7 @@ json.projects @projects do |project|
   json.mirror_url project.repository&.mirror_url
   json.type project&.numerical_for_project_type
   json.last_update_time render_unix_time(project.updated_on)
+  json.full_last_update_time project.updated_on
   json.time_ago time_from_now(project.updated_on)
   json.forked_from_project_id project.forked_from_project_id
   json.open_devops project.open_devops?