update netty to 4.1.118.Final to avoid security problem (#349)

Author: JackShi148

pom.xml

@@ -97,7 +97,7 @@
         <dependency>
             <groupId>io.netty</groupId>
             <artifactId>netty-all</artifactId>
-            <version>4.1.100.Final</version>
+            <version>4.1.118.Final</version>
         </dependency>
 
         <dependency>