Bump org.keycloak:keycloak-services from 21.1.2 to 23.0.3

Bumps [org.keycloak:keycloak-services](https://github.com/keycloak/keycloak) from 21.1.2 to 23.0.3.
- [Release notes](https://github.com/keycloak/keycloak/releases)
- [Commits](keycloak/keycloak@21.1.2...23.0.3)

---
updated-dependencies:
- dependency-name: org.keycloak:keycloak-services
  dependency-type: direct:production
...

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

pom.xml

@@ -9,7 +9,7 @@
 
   <properties>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-    <keycloak.version>21.1.2</keycloak.version>
+    <keycloak.version>23.0.3</keycloak.version>
     <maven.compiler.release>17</maven.compiler.release>
   </properties>