Bump netty-all from 4.1.11.Final to 4.1.42.Final (#13)

Bumps [netty-all](https://github.com/netty/netty) from 4.1.11.Final to 4.1.42.Final.
- [Commits](netty/netty@netty-4.1.11.Final...netty-4.1.42.Final)

---
updated-dependencies:
- dependency-name: io.netty:netty-all
  dependency-type: direct:production
...

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pom.xml

@@ -32,7 +32,7 @@
         <dependency>
             <groupId>io.netty</groupId>
             <artifactId>netty-all</artifactId>
-            <version>4.1.11.Final</version>
+            <version>4.1.42.Final</version>
         </dependency>
         <dependency>
             <groupId>joda-time</groupId>