build: bump v25 profile to Vaadin 25.2.3

Author: paodb

pom.xml

@@ -558,7 +558,7 @@
 			<properties>
 				<maven.compiler.source>21</maven.compiler.source>
 				<maven.compiler.target>21</maven.compiler.target>
-				<vaadin.version>25.0.3</vaadin.version>
+				<vaadin.version>25.2.3</vaadin.version>
 				<jetty.version>11.0.26</jetty.version>
 				<flowingcode.commons.demo.version>5.2.0</flowingcode.commons.demo.version>
 			</properties>