Bump spring-cloud-services-dependencies
Bump spring-cloud-services-dependencies

Bumps [spring-cloud-services-dependencies](https://github.com/pivotal-cf/spring-cloud-services-starters) from 2.1.2.RELEASE to 3.1.5.RELEASE.
- [Release notes](https://github.com/pivotal-cf/spring-cloud-services-starters/releases)
- [Commits](https://github.com/pivotal-cf/spring-cloud-services-starters/compare/v2.1.2.RELEASE...v3.1.5.RELEASE)

Signed-off-by: dependabot-preview[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
spring-cloud/spring-cloud-release-tools,spring-cloud/spring-cloud-release-tools,spring-cloud/spring-cloud-release-tools,spring-cloud/spring-cloud-release-tools,spring-cloud/spring-cloud-release-tools,spring-cloud/spring-cloud-release-tools