v580

Merge pull request #3087 from alphagov/dependabot/bundler/aws-sdk-s3-…

v579

Merge pull request #3085 from alphagov/dependabot/bundler/govuk_app_c…

v578

Merge pull request #3084 from alphagov/add-case-study-without-public_…

v577

Merge pull request #3083 from alphagov/add-case-study-with-only-first…

v576

Merge pull request #3082 from alphagov/add-case-study-with-updates

Add a case study example which contains change_history

v575

Merge pull request #3076 from alphagov/dependabot/bundler/govspeak-9.0.0

Bump govspeak from 8.8.3 to 9.0.0

v574

Merge pull request #3079 from alphagov/make-warning-an-error

filter_editions doesn't support multiple filters

v573

Merge pull request #3067 from alphagov/support-govspeak-graphql

Support multiple content types in details fields

v572

Merge pull request #3077 from alphagov/content-modelling/801-add-docu…

v571

Merge pull request #3078 from alphagov/add-withdrawn-travel-advice-ex…