Bump jenkins-core from 2.404 to 2.406

Bumps [jenkins-core](https://github.com/jenkinsci/jenkins) from 2.404 to 2.406.
- [Release notes](https://github.com/jenkinsci/jenkins/releases)
- [Commits](jenkinsci/jenkins@jenkins-2.404...jenkins-2.406)

---
updated-dependencies:
- dependency-name: org.jenkins-ci.main:jenkins-core
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

ui-tests/pom.xml

@@ -16,7 +16,7 @@
   <name>UI Tests of Code Coverage Plugin</name>
 
   <properties>
-    <jenkins.version>2.404</jenkins.version>
+    <jenkins.version>2.406</jenkins.version>
     <hpi-plugin.version>3.45</hpi-plugin.version>
     <json-smart.version>2.3</json-smart.version>
     <json-unit-assertj.version>2.38.0</json-unit-assertj.version>