build(demo): update commons-demo dependency to 2.1.0-SNAPSHOT

Author: ngonzalezpazFC

pom.xml

@@ -118,7 +118,7 @@
 		<dependency>
 			<groupId>com.flowingcode.vaadin.addons.demo</groupId>
 			<artifactId>commons-demo</artifactId>
-			<version>1.0.0-SNAPSHOT</version>
+			<version>2.1.0-SNAPSHOT</version>
 			<scope>test</scope>
 		</dependency>
     </dependencies>