Bump pipeline-utility-steps from 2.13.2 to 2.15.3

Bumps [pipeline-utility-steps](https://github.com/jenkinsci/pipeline-utility-steps-plugin) from 2.13.2 to 2.15.3.
- [Release notes](https://github.com/jenkinsci/pipeline-utility-steps-plugin/releases)
- [Changelog](https://github.com/jenkinsci/pipeline-utility-steps-plugin/blob/master/CHANGES.md)
- [Commits](jenkinsci/pipeline-utility-steps-plugin@pipeline-utility-steps-2.13.2...pipeline-utility-steps-2.15.3)

---
updated-dependencies:
- dependency-name: org.jenkins-ci.plugins:pipeline-utility-steps
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

pom.xml

@@ -108,7 +108,7 @@ THE SOFTWARE.
       <dependency>
         <groupId>org.jenkins-ci.plugins</groupId>
         <artifactId>pipeline-utility-steps</artifactId>
-        <version>2.15.1</version>
+        <version>2.15.3</version>
       </dependency>
     </dependencies>
   </dependencyManagement>