Install audit trail plugin

PROD-26812

Change-Id: I91baf8132ffbc425f1e9afbcdec13b79f94b1d6e
diff --git a/Dockerfile b/Dockerfile
index 1543e83..a398d7e 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -93,6 +93,7 @@
 RUN JENKINS_UC_DOWNLOAD=http://archives.jenkins-ci.org /usr/local/bin/install-plugins.sh \
         antisamy-markup-formatter:1.5 \
         artifactory:2.16.2 \
+        audit-trail:2.5 \
         blueocean:1.9.0 \
         build-blocker-plugin:1.7.3 \
         build-monitor-plugin:1.12+build.201809061734 \