Fix dumplisteners missing folder creation

patches/server/Add-paper-dumplisteners-command.patch

@@ -93,6 +93,7 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
 +    private void dumpToFile(final CommandSender sender) {
 +        final File file = new File("debug/listeners-"
 +            + DateTimeFormatter.ofPattern("yyyy-MM-dd_HH.mm.ss").format(LocalDateTime.now()) + ".txt");
++        file.getParentFile().mkdirs();
 +        try (final PrintWriter writer = new PrintWriter(file)) {
 +            for (final String eventClass : eventClassNames()) {
 +                final HandlerList handlers;