Bump spring-boot.version from 2.3.0.RELEASE to 2.3.1.RELEASE (#3332)
Bump spring-boot.version from 2.3.0.RELEASE to 2.3.1.RELEASE (#3332)

Bumps `spring-boot.version` from 2.3.0.RELEASE to 2.3.1.RELEASE.

Updates `spring-boot-dependencies` from 2.3.0.RELEASE to 2.3.1.RELEASE
- [Release notes](https://github.com/spring-projects/spring-boot/releases)
- [Commits](https://github.com/spring-projects/spring-boot/compare/v2.3.0.RELEASE...v2.3.1.RELEASE)

Updates `spring-boot-maven-plugin` from 2.3.0.RELEASE to 2.3.1.RELEASE
- [Release notes](https://github.com/spring-projects/spring-boot/releases)
- [Commits](https://github.com/spring-projects/spring-boot/compare/v2.3.0.RELEASE...v2.3.1.RELEASE)

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

Co-authored-by: dependabot-preview[bot] <6a4c1c4838f800d1998274cd5234e1f65c55e90c@users.noreply.github.com>
Activiti/Activiti,Activiti/Activiti