Bump asciidoctorj-pdf from 1.5.0-alpha.18 to 1.5.3 (#201)
Bump asciidoctorj-pdf from 1.5.0-alpha.18 to 1.5.3 (#201)

Bumps [asciidoctorj-pdf](https://github.com/asciidoctor/asciidoctorj) from 1.5.0-alpha.18 to 1.5.3.
- [Release notes](https://github.com/asciidoctor/asciidoctorj/releases)
- [Changelog](https://github.com/asciidoctor/asciidoctorj/blob/master/CHANGELOG.adoc)
- [Commits](https://github.com/asciidoctor/asciidoctorj/commits/v1.5.3)

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