Bump spring.version from 5.2.8.RELEASE to 5.2.9.RELEASE in /core
Bump spring.version from 5.2.8.RELEASE to 5.2.9.RELEASE in /core

Bumps `spring.version` from 5.2.8.RELEASE to 5.2.9.RELEASE.

Updates `spring-core` from 5.2.8.RELEASE to 5.2.9.RELEASE
- [Release notes](https://github.com/spring-projects/spring-framework/releases)
- [Commits](https://github.com/spring-projects/spring-framework/compare/v5.2.8.RELEASE...v5.2.9.RELEASE)

Updates `spring-web` from 5.2.8.RELEASE to 5.2.9.RELEASE
- [Release notes](https://github.com/spring-projects/spring-framework/releases)
- [Commits](https://github.com/spring-projects/spring-framework/compare/v5.2.8.RELEASE...v5.2.9.RELEASE)

Updates `spring-orm` from 5.2.8.RELEASE to 5.2.9.RELEASE
- [Release notes](https://github.com/spring-projects/spring-framework/releases)
- [Commits](https://github.com/spring-projects/spring-framework/compare/v5.2.8.RELEASE...v5.2.9.RELEASE)

Updates `spring-jdbc` from 5.2.8.RELEASE to 5.2.9.RELEASE
- [Release notes](https://github.com/spring-projects/spring-framework/releases)
- [Commits](https://github.com/spring-projects/spring-framework/compare/v5.2.8.RELEASE...v5.2.9.RELEASE)

Updates `spring-tx` from 5.2.8.RELEASE to 5.2.9.RELEASE
- [Release notes](https://github.com/spring-projects/spring-framework/releases)
- [Commits](https://github.com/spring-projects/spring-framework/compare/v5.2.8.RELEASE...v5.2.9.RELEASE)

Updates `spring-context` from 5.2.8.RELEASE to 5.2.9.RELEASE
- [Release notes](https://github.com/spring-projects/spring-framework/releases)
- [Commits](https://github.com/spring-projects/spring-framework/compare/v5.2.8.RELEASE...v5.2.9.RELEASE)

Updates `spring-context-support` from 5.2.8.RELEASE to 5.2.9.RELEASE
- [Release notes](https://github.com/spring-projects/spring-framework/releases)
- [Commits](https://github.com/spring-projects/spring-framework/compare/v5.2.8.RELEASE...v5.2.9.RELEASE)

Updates `spring-test` from 5.2.8.RELEASE to 5.2.9.RELEASE
- [Release notes](https://github.com/spring-projects/spring-framework/releases)
- [Commits](https://github.com/spring-projects/spring-framework/compare/v5.2.8.RELEASE...v5.2.9.RELEASE)

Updates `spring-aop` from 5.2.8.RELEASE to 5.2.9.RELEASE
- [Release notes](https://github.com/spring-projects/spring-framework/releases)
- [Commits](https://github.com/spring-projects/spring-framework/compare/v5.2.8.RELEASE...v5.2.9.RELEASE)

Updates `spring-aspects` from 5.2.8.RELEASE to 5.2.9.RELEASE
- [Release notes](https://github.com/spring-projects/spring-framework/releases)
- [Commits](https://github.com/spring-projects/spring-framework/compare/v5.2.8.RELEASE...v5.2.9.RELEASE)

Signed-off-by: dependabot[bot] <support@github.com>

Closes #107

Change-Id: Ia1f6ffced2c9ead8aa1c0b77e08ab89351fa4435

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