Bump zendframework/zend-validator from 2.12.2 to 2.13.0
Bump zendframework/zend-validator from 2.12.2 to 2.13.0

Bumps [zendframework/zend-validator](https://github.com/zendframework/zend-validator) from 2.12.2 to 2.13.0.
- [Release notes](https://github.com/zendframework/zend-validator/releases)
- [Changelog](https://github.com/zendframework/zend-validator/blob/master/CHANGELOG.md)
- [Commits](https://github.com/zendframework/zend-validator/compare/release-2.12.2...release-2.13.0)

Signed-off-by: dependabot-preview[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
owncloud/core,owncloud/core,owncloud/core,owncloud/core,owncloud/core,phil-davis/core