chore: Update Vaadin 25.1.6 (#1496)

Author: vaadin-bot

pom.xml

@@ -20,7 +20,7 @@
         <failOnMissingWebXml>false</failOnMissingWebXml>
 
         <!-- Dependencies -->
-        <vaadin.version>25.1.5</vaadin.version>
+        <vaadin.version>25.1.6</vaadin.version>
 
         <!-- selenium is so much verbose -->
         <maven.test.redirectTestOutputToFile>true</maven.test.redirectTestOutputToFile>