update netty to version 4.0.28

frameworks/Java/netty/pom.xml

@@ -13,12 +13,12 @@
 		<dependency>
 			<groupId>io.netty</groupId>
 			<artifactId>netty-codec-http</artifactId>
-			<version>4.0.26.Final</version>
+			<version>4.0.28.Final</version>
 		</dependency>
 		<dependency>
 			<groupId>io.netty</groupId>
 			<artifactId>netty-transport-native-epoll</artifactId>
-			<version>4.0.26.Final</version>
+			<version>4.0.28.Final</version>
 			<classifier>linux-x86_64</classifier>
 		</dependency>
 		<dependency>