Fix Jenkins user in tost artifact release job

Change-Id: Icc76f37970a187f9cb0cf4daf32fdad070ed91a1
diff --git a/jjb/pipeline/artifact-release.groovy b/jjb/pipeline/artifact-release.groovy
index e6c759a..5a09405 100644
--- a/jjb/pipeline/artifact-release.groovy
+++ b/jjb/pipeline/artifact-release.groovy
@@ -74,7 +74,7 @@
         sh 'echo Releasing ' + project + ' repository on ' + branch + ' branch'
         sh 'echo Releasing version ' + version + ' and starting ' + nextVersion + '-SNAPSHOT'
         sh 'git config --global user.name "Jenkins"'
-        sh 'git config --global user.email "jenkins@onlab.us"'
+        sh 'git config --global user.email "do-not-reply@opennetworking.org"'
       }
     }