Bump maven-plugin from 3.12 to 3.13

Bumps [maven-plugin](https://github.com/jenkinsci/maven-plugin) from 3.12 to 3.13.
- [Release notes](https://github.com/jenkinsci/maven-plugin/releases)
- [Changelog](https://github.com/jenkinsci/maven-plugin/blob/master/CHANGELOG.md)
- [Commits](jenkinsci/maven-plugin@maven-plugin-3.12...maven-plugin-3.13)

---
updated-dependencies:
- dependency-name: org.jenkins-ci.main:maven-plugin
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

integrations/pom.xml

@@ -737,7 +737,7 @@
       <dependency>
         <groupId>org.jenkins-ci.main</groupId>
         <artifactId>maven-plugin</artifactId>
-        <version>3.12</version>
+        <version>3.13</version>
       </dependency>
       <dependency>
         <groupId>org.jenkins-ci.modules</groupId>