Bump org.keycloak:keycloak-client-registration-api from 26.3.5 to 26.4.0

Bumps org.keycloak:keycloak-client-registration-api from 26.3.5 to 26.4.0.

---
updated-dependencies:
- dependency-name: org.keycloak:keycloak-client-registration-api
  dependency-version: 26.4.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

pom.xml

@@ -57,7 +57,7 @@ limitations under the License.
 		<jackson.version>2.20.0</jackson.version>
 		<jackson.annotations.version>2.20</jackson.annotations.version>
 		<sqlite.version>3.50.3.0</sqlite.version>
-		<keycloak.version>26.3.5</keycloak.version>
+		<keycloak.version>26.4.0</keycloak.version>
 		<swagger.version>5.28.1</swagger.version>
 		<error-prone.version>2.18.0</error-prone.version>
 		<picocli.version>4.7.7</picocli.version>