Update Java.next CI config.

See #4507

Jenkinsfile

@@ -77,7 +77,7 @@ pipeline {
 						}
 					}
 				}
-				stage('Publish JDK (Java 20) + MongoDB 6.0') {
+				stage('Publish JDK (Java.next) + MongoDB 6.0') {
 					when {
 						anyOf {
 							changeset "ci/openjdk20-mongodb-6.0/**"
@@ -115,7 +115,7 @@ pipeline {
 						}
 					}
 				}
-				stage('Publish JDK (Java 20) + MongoDB 7.0') {
+				stage('Publish JDK (Java.next) + MongoDB 7.0') {
 					when {
 						anyOf {
 							changeset "ci/openjdk20-mongodb-7.0/**"

ci/pipeline.properties

@@ -1,10 +1,10 @@
 # Java versions
 java.main.tag=17.0.8_7-jdk-focal
-java.next.tag=21-jdk-bullseye
+java.next.tag=21-jdk-jammy
 
 # Docker container images - standard
 docker.java.main.image=harbor-repo.vmware.com/dockerhub-proxy-cache/library/eclipse-temurin:${java.main.tag}
-docker.java.next.image=harbor-repo.vmware.com/dockerhub-proxy-cache/library/openjdk:${java.next.tag}
+docker.java.next.image=harbor-repo.vmware.com/dockerhub-proxy-cache/library/eclipse-temurin:${java.next.tag}
 
 # Supported versions of MongoDB
 docker.mongodb.4.4.version=4.4.25