Add migration to set political status of editions
user
```ruby
index = 0

PUBLISHED_AND_PUBLISHABLE_STATES = %w(published draft archived submitted rejected scheduled)
edition_scope = Edition.where(state: PUBLISHED_AND_PUBLISHABLE_STATES)
edition_count = edition_scope.count

edition_scope.find_each do |edition|
  edition.update_column(:political, PoliticalContentIdentifier.political?(edition))

  index += 1

  puts "Processed #{index} of #{edition_count} editions (#{(index.to_f/edition_count.to_f)*100}%)" if index % 1000 == 0
end
```
assistant