Bump jenkins-test-harness from 1934.v90a_c07cf5b_21 to 1938.ve4c94459431d (#7657)

Bump jenkins-test-harness

Bumps [jenkins-test-harness](https://github.com/jenkinsci/jenkins-test-harness) from 1934.v90a_c07cf5b_21 to 1938.ve4c94459431d.
- [Release notes](https://github.com/jenkinsci/jenkins-test-harness/releases)
- [Changelog](https://github.com/jenkinsci/jenkins-test-harness/blob/master/docs/CHANGELOG-OLD.md)
- [Commits](https://github.com/jenkinsci/jenkins-test-harness/commits)

---
updated-dependencies:
- dependency-name: org.jenkins-ci.main:jenkins-test-harness
  dependency-type: direct:development
...
Signed-off-by: Ndependabot[bot] <support@github.com>
Co-authored-by: Ndependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

test/pom.xml

@@ -93,7 +93,7 @@ THE SOFTWARE.
     <dependency>
       <groupId>${project.groupId}</groupId>
       <artifactId>jenkins-test-harness</artifactId>
-      <version>1934.v90a_c07cf5b_21</version>
+      <version>1938.ve4c94459431d</version>
       <scope>test</scope>
       <exclusions>
         <exclusion>