Bump netty-all from 4.0.21.Final to 4.1.42.Final

Bumps [netty-all](https://github.com/netty/netty) from 4.0.21.Final to 4.1.42.Final.
- [Release notes](https://github.com/netty/netty/releases)
- [Commits](netty/netty@netty-4.0.21.Final...netty-4.1.42.Final)

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

pom.xml

@@ -138,7 +138,7 @@
     <dependency>
       <groupId>io.netty</groupId>
       <artifactId>netty-all</artifactId>
-      <version>4.0.21.Final</version>
+      <version>4.1.42.Final</version>
     </dependency>
     <dependency>
       <groupId>com.aliyun.openservices.eas</groupId>