Bump govuk_app_config from 1.3.1 to 1.3.2
Bump govuk_app_config from 1.3.1 to 1.3.2

Bumps [govuk_app_config](https://github.com/alphagov/govuk_app_config) from 1.3.1 to 1.3.2.
- [Changelog](https://github.com/alphagov/govuk_app_config/blob/master/CHANGELOG.md)
- [Commits](https://github.com/alphagov/govuk_app_config/compare/v1.3.1...v1.3.2)
alphagov/specialist-publisher-rebuild,alphagov/specialist-publisher,alphagov/specialist-publisher,alphagov/specialist-publisher-rebuild,alphagov/specialist-publisher-rebuild,alphagov/specialist-publisher-rebuild,alphagov/specialist-publisher