Enabled up/down-scaling of the services

[demos/kafka/wordcount] / query

diff --git a/query b/query
index 0d1ed8c..251cf79 160000 (submodule)
--- a/query
+++ b/query
@@ -1 +1 @@
-Subproject commit 0d1ed8c65f422e5c0cd291c35dba67b1f2205997
+Subproject commit 251cf79927d4c1c941467c8fee0349c1a7eb4b93