fix(deps): update dependency org.keycloak:keycloak-parent to v26.4.2

Author: renovate[bot]

pom.xml

@@ -82,7 +82,7 @@
 
         <!-- dependencies: compile and runtime -->
         <lombok.version>1.18.42</lombok.version>
-        <keycloak.version>26.4.1</keycloak.version>
+        <keycloak.version>26.4.2</keycloak.version>
         <resteasy.version>3.15.6.Final</resteasy.version>
         <sun-javax-activation.version>1.2.0</sun-javax-activation.version>
         <javax-activation.version>1.1.1</javax-activation.version>