fix: Grant additional permissions to demoUser role

[DafyddLlyr]

A few issues when testing the demoUser role end-to-end -

• All users must be able to access their own record in the team_members table in order to log in
• All users must have read access to the team_settings table

[github-actions]

🤖 Hasura Change Summary compared a subset of table metadata including permissions:

Updated Tables (2)

• public.team_members permissions:

  	insert	select	update	delete
  demoUser		➕

  4 added column permissions

  	insert	select	update
  demoUser		➕ id ➕ role ➕ team_id ➕ user_id

• public.team_settings permissions:

  	insert	select	update	delete
  demoUser		➕

  13 added column permissions

  	insert	select	update
  demoUser		➕ boundary_bbox ➕ boundary_url ➕ email_reply_to_id ➕ external_planning_site_name ➕ external_planning_site_url ➕ help_email ➕ help_opening_hours ➕ help_phone ➕ homepage ➕ id ➕ reference_code ➕ submission_email ➕ team_id

[RODO94]

Create a 'demo' workspace

[RODO94]

This looks aligned with what we spoke about in our call, all fine for me

[github-actions]

Removed vultr server and associated DNS entries