Bump maven-jxr-plugin from 2.1 to 3.0.0 (#200)
Bump maven-jxr-plugin from 2.1 to 3.0.0 (#200)

Bumps [maven-jxr-plugin](https://github.com/apache/maven-jxr) from 2.1 to 3.0.0.
- [Release notes](https://github.com/apache/maven-jxr/releases)
- [Commits](https://github.com/apache/maven-jxr/compare/jxr-2.1...jxr-3.0.0)

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

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