Bump plugin from 1.596 to 4.4

Bumps [plugin](https://github.com/jenkinsci/plugin-pom) from 1.596 to 4.4.
- [Release notes](https://github.com/jenkinsci/plugin-pom/releases)
- [Changelog](https://github.com/jenkinsci/plugin-pom/blob/master/CHANGELOG.md)
- [Commits](https://github.com/jenkinsci/plugin-pom/commits/plugin-4.4)

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

pom.xml

@@ -8,7 +8,7 @@
     <parent>
         <groupId>org.jenkins-ci.plugins</groupId>
         <artifactId>plugin</artifactId>
-        <version>1.596</version>
+        <version>4.4</version>
     </parent>
 
     <artifactId>antexec</artifactId>