Bump digitalmarketplace-apiclient from 21.11.1 to 21.13.0
Bump digitalmarketplace-apiclient from 21.11.1 to 21.13.0

Bumps [digitalmarketplace-apiclient](https://github.com/alphagov/digitalmarketplace-apiclient) from 21.11.1 to 21.13.0.
- [Release notes](https://github.com/alphagov/digitalmarketplace-apiclient/releases)
- [Changelog](https://github.com/alphagov/digitalmarketplace-apiclient/blob/master/CHANGELOG.md)
- [Commits](https://github.com/alphagov/digitalmarketplace-apiclient/compare/21.11.1...21.13.0)

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@github.com>
alphagov/digitalmarketplace-buyer-frontend,alphagov/digitalmarketplace-buyer-frontend,alphagov/digitalmarketplace-buyer-frontend,alphagov/digitalmarketplace-buyer-frontend