Java-WebSocket: Upgrade to 1.5.6

Downloaded from https://github.com/TooTallNate/Java-WebSocket/archive/refs/tags/v1.5.6.tar.gz

Change-Id: Ie6c86b3f7e41147133919daca699a6c96372e44f
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/167665
Tested-by: Jenkins
Reviewed-by: Xisco Fauli <xiscofauli@libreoffice.org>

download.lst

@@ -324,8 +324,8 @@ ICU_DATA_TARBALL := icu4c-74_1-data.zip
 # three static lines
 # so that git cherry-pick
 # will not run into conflicts
-JAVA_WEBSOCKET_SHA256SUM := a6828b35d1f938fee2335945f3d3c563cbbfa58ce7eb0bf72778d0fa7a550720
-JAVA_WEBSOCKET_TARBALL := Java-WebSocket-1.5.4.tar.gz
+JAVA_WEBSOCKET_SHA256SUM := 167e86561cd7b5ed21b67d7543536134edcb14b373892739b28c417566a3832f
+JAVA_WEBSOCKET_TARBALL := Java-WebSocket-1.5.6.tar.gz
 # three static lines
 # so that git cherry-pick
 # will not run into conflicts

external/java_websocket/patches/no-slf4j.patch

@@ -326,7 +326,7 @@ diff -ru a/src/main/java/org/java_websocket/server/WebSocketServer.java b/src/ma
 +import java.util.logging.Logger;
  
  /**
-  * <tt>WebSocketServer</tt> is an abstract class that only takes care of the
+  * <code>WebSocketServer</code> is an abstract class that only takes care of the
 @@ -84,7 +83,7 @@
     *
     * @since 1.4.0