Add tagging jobs to create git tags on trellis repos

Fix email address used to push tags

Change-Id: I2be5361ee66d3a589e4c1f8f0f39c0e0b19e6f26
diff --git a/jjb/repos/trellis-t3.yaml b/jjb/repos/trellis-t3.yaml
index 03a0b98..71e7ca1 100644
--- a/jjb/repos/trellis-t3.yaml
+++ b/jjb/repos/trellis-t3.yaml
@@ -10,10 +10,18 @@
           branch-regexp: '^(.*)$'
           junit-allow-empty-results: true
 
+      - 'publish-trellis-t3-jobs':
+          branch-regexp: '^(.*)$'
+
 - job-group:
     name: 'trellis-t3-jobs'
     jobs:
       - 'verify-licensed'
       - 'tag-check'
       - 'maven-test'
+
+- job-group:
+    name: 'publish-trellis-t3-jobs'
+    jobs:
+      - 'version-tag'
       - 'maven-publish'