pom.xml: fix enforcer errors
</properties>
<dependencyManagement>
<dependencies>
+ <dependency>
+ <groupId>io.netty</groupId>
+ <artifactId>netty-common</artifactId>
+ <version>${netty.version}</version>
+ </dependency>
<dependency>
<groupId>org.apache.commons</groupId>
<artifactId>commons-compress</artifactId>
