Bump plugin-util-api from 2.17.0 to 2.18.0

Bumps [plugin-util-api](https://github.com/jenkinsci/plugin-util-api-plugin) from 2.17.0 to 2.18.0.
- [Release notes](https://github.com/jenkinsci/plugin-util-api-plugin/releases)
- [Changelog](https://github.com/jenkinsci/plugin-util-api-plugin/blob/master/CHANGELOG.md)
- [Commits](jenkinsci/plugin-util-api-plugin@v2.17.0...v2.18.0)

---
updated-dependencies:
- dependency-name: io.jenkins.plugins:plugin-util-api
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

pom.xml

@@ -23,7 +23,7 @@
     <gitHubRepo>jenkinsci/${project.artifactId}-plugin</gitHubRepo>
 
     <!-- Jenkins Plug-in Dependencies Versions -->
-    <plugin-util-api.version>2.17.0</plugin-util-api.version>
+    <plugin-util-api.version>2.18.0</plugin-util-api.version>
     <testcontainers.version>1.17.4</testcontainers.version>
   </properties>