Updated Jenkins to 2.99

Change-Id: I8736a0d88c909ac1d2549a24f8fe0bd3dacf437e
diff --git a/Dockerfile b/Dockerfile
index d87ac40..37bbd63 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -36,10 +36,10 @@
 
 # jenkins version being bundled in this docker image
 ARG JENKINS_VERSION
-ENV JENKINS_VERSION ${JENKINS_VERSION:-2.93}
+ENV JENKINS_VERSION ${JENKINS_VERSION:-2.99}
 
 # jenkins.war checksum, download will be validated using it
-ARG JENKINS_SHA=81d29296dc435906dd03f0743ee91bca43f46671b9e636e85b4b014a2b1566f2
+ARG JENKINS_SHA=7c783d758b150f6b4ab14aaf1a745b888fff10eea46f1b1cfc0e2730f3dde918
 
 # 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