Bump spring-test from 5.1.7.RELEASE to 5.1.8.RELEASE (#975)
Bump spring-test from 5.1.7.RELEASE to 5.1.8.RELEASE (#975)

Bumps [spring-test](https://github.com/spring-projects/spring-framework) from 5.1.7.RELEASE to 5.1.8.RELEASE.
- [Release notes](https://github.com/spring-projects/spring-framework/releases)
- [Commits](https://github.com/spring-projects/spring-framework/compare/v5.1.7.RELEASE...v5.1.8.RELEASE)

Signed-off-by: dependabot-preview[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
mapfish/mapfish-print,mapfish/mapfish-print,mapfish/mapfish-print,mapfish/mapfish-print,mapfish/mapfish-print