feat: simplified change logs on publish

[jessicamcinchak]

Branched from #2783

Changes based on feedback from publishing conversations this week:

• "Drafts all the way down" route is too confusing to explain to average user, so only make it visible to platformAdmins
• Adds a simple badge to indicate there are unpublished changes (hidden if 0 or errors)
  • Ideally I think this would be text rather than count, but MUI Badge is a bit limiting here!
  • In future, goal is to repeat badge on any portal nodes in graph that have changed
• Trying out a very mvp version of a simplified publish change log message
  • Summarise updated & deleted nodes, with option to expand to full list (full list is exact same as default view now)
  • Link to any nested flows that you have teamEditor access to, or show as plain text otherwise
  • In future, also add expandable details for each nested flow like last published date, summary message, etc
  • Styles here are quite rough, but will be easy to revisit later once we have a new shape of "summary content"

[github-actions]

Removed vultr server and associated DNS entries

[jessicamcinchak]

I'm aware there's some lingering any's around this file that I haven't cleaned up - one on my radar to come back to, want to keep up momentum with logic changes first !