Upgrade to hibernate-jenkins-pipeline-helpers 1.18

To avoid buggy notifications.
See https://hibernate.zulipchat.com/#narrow/channel/132096-hibernate-user/topic/Jenkins.20Notifications

Full changeset: https://github.com/hibernate/hibernate-jenkins-pipeline-helpers/compare/1.17..1.18

Author: yrodiere

Jenkinsfile

@@ -8,7 +8,7 @@ import groovy.transform.Field
 /*
  * See https://github.com/hibernate/hibernate-jenkins-pipeline-helpers
  */
-@Library('hibernate-jenkins-pipeline-helpers@1.17') _
+@Library('hibernate-jenkins-pipeline-helpers@1.18') _
 
 import org.hibernate.jenkins.pipeline.helpers.job.JobHelper
 import org.hibernate.jenkins.pipeline.helpers.alternative.AlternativeMultiMap

jenkins/nightly/Jenkinsfile

@@ -3,7 +3,7 @@
  * Copyright Red Hat Inc. and Hibernate Authors
  */
 
-@Library('hibernate-jenkins-pipeline-helpers@1.17') _
+@Library('hibernate-jenkins-pipeline-helpers@1.18') _
 
 def withMavenWorkspace(Closure body) {
 	withMavenWorkspace('OpenJDK 17 Latest', body)

jenkins/release.groovy

@@ -3,7 +3,7 @@
  * Copyright Red Hat Inc. and Hibernate Authors
  */
 
-@Library('hibernate-jenkins-pipeline-helpers@1.17') _
+@Library('hibernate-jenkins-pipeline-helpers@1.18') _
 
 import org.hibernate.jenkins.pipeline.helpers.version.Version