fix(connection): Make various classes final as they should be

Author: cb0s

modules/telestion-services/src/main/java/de/wuespace/telestion/services/connection/Broadcaster.java

@@ -10,7 +10,7 @@
 
 import java.util.*;
 
-public class Broadcaster extends AbstractVerticle {
+public final class Broadcaster extends AbstractVerticle {
 
 	public final static int NO_BROADCASTING = -1;
 	public final static int DEFAULT_ID = 0;

modules/telestion-services/src/main/java/de/wuespace/telestion/services/connection/StaticSender.java

@@ -8,7 +8,7 @@
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-public class StaticSender extends AbstractVerticle {
+public final class StaticSender extends AbstractVerticle {
 
 	public record Configuration(@JsonProperty String inAddress,
 								@JsonProperty String outAddress,

modules/telestion-services/src/main/java/de/wuespace/telestion/services/connection/tcp/TcpDispatcher.java

@@ -10,7 +10,7 @@
 import java.text.BreakIterator;
 import java.util.Arrays;
 
-public class TcpDispatcher extends AbstractVerticle {
+public final class TcpDispatcher extends AbstractVerticle {
 
 	@Override
 	public void start(Promise<Void> startPromise) {

modules/telestion-services/src/main/java/de/wuespace/telestion/services/connection/tcp/TcpTimeouts.java

@@ -2,7 +2,7 @@
 
 import java.time.Duration;
 
-public class TcpTimeouts {
+public final class TcpTimeouts {
 	/**
 	 * Close tcp connection after first received packet.
 	 */