Upgraded JDK-Version, Spring Boot & Docker for all servies

[demos/kafka/wordcount] / query

diff --git a/query b/query
index d835b70..b223786 160000 (submodule)
--- a/query
+++ b/query
@@ -1 +1 @@
-Subproject commit d835b70fc4d49a50f42da9c21b3de1dbcd18cbaf
+Subproject commit b223786b36be5a1b1cb02235f90d1ae0e5ffc56c