build(demo): update commons-demo dependency to version 3.4.1

Author: paodb

pom.xml

@@ -140,7 +140,7 @@
 		<dependency>
 			<groupId>com.flowingcode.vaadin.addons.demo</groupId>
 			<artifactId>commons-demo</artifactId>
-			<version>3.3.0</version>
+			<version>3.4.1</version>
 			<scope>test</scope>
 		</dependency>
 		<dependency>