Bump workflow-basic-steps from 2.6 to 2.22

Bumps [workflow-basic-steps](https://github.com/jenkinsci/workflow-basic-steps-plugin) from 2.6 to 2.22.
- [Release notes](https://github.com/jenkinsci/workflow-basic-steps-plugin/releases)
- [Changelog](https://github.com/jenkinsci/workflow-basic-steps-plugin/blob/master/CHANGELOG.md)
- [Commits](jenkinsci/workflow-basic-steps-plugin@workflow-basic-steps-2.6...workflow-basic-steps-2.22)

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

rest-api/pom.xml

@@ -88,7 +88,7 @@
         <dependency>
             <groupId>org.jenkins-ci.plugins.workflow</groupId>
             <artifactId>workflow-basic-steps</artifactId>
-            <version>2.6</version>
+            <version>2.22</version>
             <scope>test</scope>
         </dependency>
         <dependency>