Merge pull request #247 from jenkinsci/dependabot/maven/org.jenkins-ci.plugins-plugin-5.9

Bump org.jenkins-ci.plugins:plugin from 5.8 to 5.9

Author: jonesbusy

Diff for: pom.xml

@@ -5,7 +5,7 @@
   <parent>
     <groupId>org.jenkins-ci.plugins</groupId>
     <artifactId>plugin</artifactId>
-    <version>5.8</version>
+    <version>5.9</version>
     <relativePath />
   </parent>