Bump netty-all from 4.1.31.Final to 4.1.42.Final

Bumps [netty-all](https://github.com/netty/netty) from 4.1.31.Final to 4.1.42.Final.
- [Release notes](https://github.com/netty/netty/releases)
- [Commits](netty/netty@netty-4.1.31.Final...netty-4.1.42.Final)

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

pom.xml

@@ -47,7 +47,7 @@
 
         <txlcn-org.projectlombok.version>1.18.0</txlcn-org.projectlombok.version>
         <txlcn-spring-cloud.version>Finchley.SR2</txlcn-spring-cloud.version>
-        <txlcn-io.netty.version>4.1.31.Final</txlcn-io.netty.version>
+        <txlcn-io.netty.version>4.1.42.Final</txlcn-io.netty.version>
         <txlcn-com.alibaba.fastjson.version>1.2.34</txlcn-com.alibaba.fastjson.version>
         <txlcn-guava.version>19.0</txlcn-guava.version>
         <txlcn-hessian.version>4.0.38</txlcn-hessian.version>