Bump keycloak.version from 23.0.4 to 23.0.6

Bumps `keycloak.version` from 23.0.4 to 23.0.6.

Updates `org.keycloak:keycloak-adapter-core` from 23.0.4 to 23.0.6
- [Release notes](https://github.com/keycloak/keycloak/releases)
- [Commits](keycloak/keycloak@23.0.4...23.0.6)

Updates `org.keycloak:keycloak-policy-enforcer` from 23.0.4 to 23.0.6

Updates `org.keycloak:keycloak-jaxrs-oauth-client` from 23.0.4 to 23.0.6

---
updated-dependencies:
- dependency-name: org.keycloak:keycloak-adapter-core
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: org.keycloak:keycloak-policy-enforcer
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: org.keycloak:keycloak-jaxrs-oauth-client
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

pom.xml

@@ -54,7 +54,7 @@
     <properties>
         <encoding>UTF-8</encoding>
         <checkstyle.version>9.3</checkstyle.version>
-        <keycloak.version>23.0.4</keycloak.version>
+        <keycloak.version>23.0.6</keycloak.version>
         <dropwizard.version>4.0.6</dropwizard.version>
         <dropwizard.version.junit4>4.0.6</dropwizard.version.junit4>
         <assertj.version>3.25.3</assertj.version>