Merge pull request #1347 from stpabhi/fix-sync-to-internal-registry

fix sync-to-internal-registry.jsonnet

jsonnet/kube-prometheus/addons/config-mixins.libsonnet

@@ -31,6 +31,10 @@ local withImageRepository(repository) = {
   },
 };
 
+{
+  imageName:: imageName,
+}
+
 {
   withImageRepository:: withImageRepository,
 }