chore(deps): update dependency org.keycloak:keycloak-admin-client to v16

Author: renovate-bot

keycloak/build.gradle

@@ -25,7 +25,7 @@ protobuf {
 
 dependencies {
     api project(':core')
-    api 'org.keycloak:keycloak-admin-client:15.1.1'
+    api 'org.keycloak:keycloak-admin-client:16.0.0'
     api 'org.bouncycastle:bcprov-jdk15on:1.70'
     api 'com.typesafe:config:1.4.1'