Update dependency org.jenkins-ci.main:jenkins-test-harness to v2538

Author: renovate[bot]

test/pom.xml

@@ -192,7 +192,7 @@ THE SOFTWARE.
     <dependency>
       <groupId>org.jenkins-ci.main</groupId>
       <artifactId>jenkins-test-harness</artifactId>
-      <version>2537.v48fd29a_7070d</version>
+      <version>2538.vcca_5b_74c18a_2</version>
       <scope>test</scope>
       <exclusions>
         <exclusion>