Bump org.jenkins-ci.plugins:plugin from 5.24 to 5.28 (#241)

Bumps [org.jenkins-ci.plugins:plugin](https://github.com/jenkinsci/plugin-pom) from 5.24 to 5.28.
- [Release notes](https://github.com/jenkinsci/plugin-pom/releases)
- [Changelog](https://github.com/jenkinsci/plugin-pom/blob/master/CHANGELOG.md)
- [Commits](jenkinsci/plugin-pom@plugin-5.24...plugin-5.28)

---
updated-dependencies:
- dependency-name: org.jenkins-ci.plugins:plugin
  dependency-version: '5.28'
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

pom.xml

@@ -28,7 +28,7 @@
     <parent>
         <groupId>org.jenkins-ci.plugins</groupId>
         <artifactId>plugin</artifactId>
-        <version>5.24</version>
+        <version>5.28</version>
         <relativePath />
     </parent>
     <groupId>org.jenkins-ci.plugins.workflow</groupId>