kube: add target:: convenience field to Service

Change-Id: If69116d93b6074136a36d98973e1aa997e2ebbef
Reviewed-on: https://gerrit.hackerspace.pl/c/hscloud/+/1802
Reviewed-by: q3k <q3k@hackerspace.pl>
diff --git a/app/matrix/lib/appservice-telegram.libsonnet b/app/matrix/lib/appservice-telegram.libsonnet
index 5cfaf3a..209e855 100644
--- a/app/matrix/lib/appservice-telegram.libsonnet
+++ b/app/matrix/lib/appservice-telegram.libsonnet
@@ -147,7 +147,7 @@
 
         svc: kube.Service("appservice-telegram-%s" % [name]) {
             metadata+: cfg.metadata,
-            target_pod:: bridge.deployment.spec.template,
+            target:: bridge.deployment,
         },
     },
 }