Test with 2.545-rc pre-release.

Created from Jenkins core pull request:

* jenkinsci/jenkins#26051

Includes ready to merge pull requests:

* jenkinsci/jenkins#26034
* jenkinsci/jenkins#26036
* jenkinsci/jenkins#26038
* jenkinsci/jenkins#26041
* jenkinsci/jenkins#26042
* jenkinsci/jenkins#26043
* jenkinsci/jenkins#26044
* jenkinsci/jenkins#26046
* jenkinsci/jenkins#26048

Reverts pull requests:

* jenkinsci/jenkins#26018
* jenkinsci/jenkins#26049

Author: MarkEWaite

pom.xml

@@ -30,7 +30,7 @@
   <properties>
     <changelist>999999-SNAPSHOT</changelist>
     <spotbugs.skip>true</spotbugs.skip>
-    <jenkins.version>2.544</jenkins.version>
+    <jenkins.version>2.545-rc37882.5a_d2fcc6c015</jenkins.version>
     <selenium.version>4.39.0</selenium.version>
     <!-- aligned with selenium -->
     <guava.version>33.5.0-jre</guava.version>