Bump spring.version from 5.1.6.RELEASE to 5.1.7.RELEASE
Bump spring.version from 5.1.6.RELEASE to 5.1.7.RELEASE

Bumps `spring.version` from 5.1.6.RELEASE to 5.1.7.RELEASE.

Updates `spring-core` from 5.1.6.RELEASE to 5.1.7.RELEASE
- [Release notes](https://github.com/spring-projects/spring-framework/releases)
- [Commits](https://github.com/spring-projects/spring-framework/compare/v5.1.6.RELEASE...v5.1.7.RELEASE)

Updates `spring-beans` from 5.1.6.RELEASE to 5.1.7.RELEASE
- [Release notes](https://github.com/spring-projects/spring-framework/releases)
- [Commits](https://github.com/spring-projects/spring-framework/compare/v5.1.6.RELEASE...v5.1.7.RELEASE)

Updates `spring-context` from 5.1.6.RELEASE to 5.1.7.RELEASE
- [Release notes](https://github.com/spring-projects/spring-framework/releases)
- [Commits](https://github.com/spring-projects/spring-framework/compare/v5.1.6.RELEASE...v5.1.7.RELEASE)

Updates `spring-test` from 5.1.6.RELEASE to 5.1.7.RELEASE
- [Release notes](https://github.com/spring-projects/spring-framework/releases)
- [Commits](https://github.com/spring-projects/spring-framework/compare/v5.1.6.RELEASE...v5.1.7.RELEASE)
dadoonet/spring-elasticsearch