Raise the limit slightly to account for colors

By: Thinkofdeath <thinkofdeath@spigotmc.org>

paper-server/nms-patches/TileEntitySign.patch

@@ -25,7 +25,7 @@
 +
          for (int i = 0; i < 4; ++i) {
              String s = nbttagcompound.getString("Text" + (i + 1));
-+            if (s != null && s.length() > 384) {
++            if (s != null && s.length() > 2048) {
 +                s = "\"\"";
 +            }