chore(deps): bump org.asciidoctor:asciidoctor-maven-plugin in /restdocs (#1590)

Bumps [org.asciidoctor:asciidoctor-maven-plugin](https://github.com/asciidoctor/asciidoctor-maven-plugin) from 3.0.0 to 3.1.1.
- [Release notes](https://github.com/asciidoctor/asciidoctor-maven-plugin/releases)
- [Changelog](https://github.com/asciidoctor/asciidoctor-maven-plugin/blob/main/CHANGELOG.adoc)
- [Commits](asciidoctor/asciidoctor-maven-plugin@asciidoctor-maven-tools-3.0.0...asciidoctor-maven-tools-3.1.1)

---
updated-dependencies:
- dependency-name: org.asciidoctor:asciidoctor-maven-plugin
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

restdocs/pom.xml

@@ -166,7 +166,7 @@
                     <plugin>
                         <groupId>org.asciidoctor</groupId>
                         <artifactId>asciidoctor-maven-plugin</artifactId>
-                        <version>3.0.0</version>
+                        <version>3.1.1</version>
                         <executions>
                             <execution>
                                 <id>generate-docs</id>