Bump acceptance-test-harness

Bumps [acceptance-test-harness](https://github.com/jenkinsci/acceptance-test-harness) from 5504.v485694f31cdf to 5536.vf6d8a_73d1122.
- [Release notes](https://github.com/jenkinsci/acceptance-test-harness/releases)
- [Commits](https://github.com/jenkinsci/acceptance-test-harness/commits)

---
updated-dependencies:
- dependency-name: org.jenkins-ci:acceptance-test-harness
  dependency-type: direct:production
...

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

Author: dependabot[bot]

ui-tests/pom.xml

@@ -40,7 +40,7 @@
     <dependency>
       <groupId>org.jenkins-ci</groupId>
       <artifactId>acceptance-test-harness</artifactId>
-      <version>5504.v485694f31cdf</version>
+      <version>5536.vf6d8a_73d1122</version>
     </dependency>
     <dependency>
       <groupId>org.apache.httpcomponents</groupId>