Bump org.keycloak:keycloak-saml-adapter-core in /tests/examples/test-sso

Bumps [org.keycloak:keycloak-saml-adapter-core](https://github.com/keycloak/keycloak) from 1.6.0.Final to 4.4.0.Final.
- [Release notes](https://github.com/keycloak/keycloak/releases)
- [Commits](keycloak/keycloak@1.6.0.Final...4.4.0.Final)

---
updated-dependencies:
- dependency-name: org.keycloak:keycloak-saml-adapter-core
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

tests/examples/test-sso/pom.xml

@@ -12,7 +12,7 @@
     <properties>
         <version.resteasy>3.0.12.Final</version.resteasy>
         <version.wildfly.plugin>1.0.1.Final</version.wildfly.plugin>
-        <version.keycloak>1.6.0.Final</version.keycloak>
+        <version.keycloak>4.4.0.Final</version.keycloak>
         <version.httpclient>4.5.13</version.httpclient>
         <version.jboss.servlet-api>1.0.2.Final</version.jboss.servlet-api>
         <maven.compiler.source>1.8</maven.compiler.source>