Merge pull request #405 from jenkinsci/dependabot/maven/io.netty-netty-bom-4.2.1.Final

Bump io.netty:netty-bom from 4.2.0.Final to 4.2.1.Final

Author: uhafner

ui-tests/pom.xml

@@ -37,7 +37,7 @@
         <!-- ClassNotFoundException if omitted -->
         <groupId>io.netty</groupId>
         <artifactId>netty-bom</artifactId>
-        <version>4.2.0.Final</version>
+        <version>4.2.1.Final</version>
         <type>pom</type>
         <scope>import</scope>
       </dependency>