Switched all services to `eclipse-temurin:21-jre`

[demos/kafka/wordcount] / users

diff --git a/users b/users
index 4f16805..f589298 160000 (submodule)
--- a/users
+++ b/users
@@ -1 +1 @@
-Subproject commit 4f16805af7e69c189daa364f113f57ee9abfc079
+Subproject commit f58929826f3dd8087afbfa3e8f2ac6e776267d40