Bump org.jenkins-ci.plugins:plugin from 5.18 to 5.19 (jenkinsci#186)

Bumps [org.jenkins-ci.plugins:plugin](https://github.com/jenkinsci/plugin-pom) from 5.18 to 5.19.
- [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-5.18...plugin-5.19)

---
updated-dependencies:
- dependency-name: org.jenkins-ci.plugins:plugin
  dependency-version: '5.19'
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

pom.xml

@@ -5,7 +5,7 @@
   <parent>
     <groupId>org.jenkins-ci.plugins</groupId>
     <artifactId>plugin</artifactId>
-    <version>5.18</version>
+    <version>5.19</version>
     <relativePath />
   </parent>