demo: Update netty dependency, fix module-info

Author: kohlschuetter

junixsocket-demo/pom.xml

@@ -93,7 +93,7 @@
         <dependency>
             <groupId>io.netty</groupId>
             <artifactId>netty-all</artifactId>
-            <version>4.1.54.Final</version>
+            <version>4.1.97.Final</version>
         </dependency>
     </dependencies>
     <build>

junixsocket-demo/src/main/java/module-info.java

@@ -16,7 +16,9 @@
   requires mina.core;
   requires static com.kohlschutter.annotations.compiletime;
   requires static org.eclipse.jdt.annotation;
-  requires io.netty.all;
+  requires io.netty.common;
+  requires io.netty.buffer;
+  requires io.netty.transport;
 
   exports org.newsclub.net.unix.demo.rmi.services to java.rmi;
   exports org.newsclub.net.unix.demo.rmi.fd to java.rmi;