update jenkins from 2.73.2 to 2.89.2

jenkins/Dockerfile

@@ -36,10 +36,15 @@ COPY init.groovy /usr/share/jenkins/ref/init.groovy.d/tcp-slave-agent-port.groov
 
 # jenkins version being bundled in this docker image
 ARG JENKINS_VERSION
-ENV JENKINS_VERSION ${JENKINS_VERSION:-2.73.2}
+#ENV JENKINS_VERSION ${JENKINS_VERSION:-2.73.2}
+ENV JENKINS_VERSION ${JENKINS_VERSION:-2.89.2}
 
 # jenkins.war checksum, download will be validated using it
-ARG JENKINS_SHA=f6d1351beef34d980b32f8c463be505445f637e2fc62156fecd42891c53c97d3
+# 2.73.2
+#ARG JENKINS_SHA=f6d1351beef34d980b32f8c463be505445f637e2fc62156fecd42891c53c97d3
+# 2.89.2
+ARG JENKINS_SHA=014f669f32bc6e925e926e260503670b32662f006799b133a031a70a794c8a14
+
 
 # Can be used to customize where jenkins.war get downloaded from
 ARG JENKINS_URL=https://repo.jenkins-ci.org/public/org/jenkins-ci/main/jenkins-war/${JENKINS_VERSION}/jenkins-war-${JENKINS_VERSION}.war