ci: upgrade to vaadin 25.0.0

Author: javier-godoy

pom.xml

@@ -314,7 +314,7 @@
            <properties>
                <maven.compiler.source>21</maven.compiler.source>
                <maven.compiler.target>21</maven.compiler.target>
-           <vaadin.version>25.0.0-beta2</vaadin.version>
+               <vaadin.version>25.0.0</vaadin.version>
            </properties>
        </profile>