Jenkins: Add debmirror formula: packaging and testing

PROD-17356

Change-Id: I4bd1d34691dc9f750b8dd700a258f0f4f19308ff
diff --git a/jenkins/client/job/debian/packages/salt.yml b/jenkins/client/job/debian/packages/salt.yml
index 4243631..9162503 100644
--- a/jenkins/client/job/debian/packages/salt.yml
+++ b/jenkins/client/job/debian/packages/salt.yml
@@ -65,6 +65,9 @@
             - name: collectd
               upload_source_package: false
               dist: trusty
+            - name: debmirror
+              upload_source_package: true
+              dist: trusty
             - name: dekapod
               upload_source_package: false
               dist: trusty
@@ -389,6 +392,9 @@
             - name: collectd
               upload_source_package: true
               dist: xenial
+            - name: debmirror
+              upload_source_package: true
+              dist: xenial
             - name: dekapod
               upload_source_package: true
               dist: xenial