prepare for 1.21.4 update

patches/unapplied-api/0040-Add-death-screen-API.patch

@@ -0,0 +1,36 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: MelnCat <melncatuwu@gmail.com>
+Date: Fri, 23 Sep 2022 18:35:28 -0700
+Subject: [PATCH] Add death screen API
+
+
+diff --git a/src/main/java/org/bukkit/entity/Player.java b/src/main/java/org/bukkit/entity/Player.java
+index 0b8f7c39ff90b57eb7104d3a0cf1c29ee551b522..a7f989121c493baff9d2b6910c39145a0e12477d 100644
+--- a/src/main/java/org/bukkit/entity/Player.java
++++ b/src/main/java/org/bukkit/entity/Player.java
+@@ -4009,5 +4009,25 @@ public interface Player extends HumanEntity, Conversable, OfflinePlayer, PluginM
+      * Clears all debug block highlights
+      */
+     void clearBlockHighlights();
++
++    /**
++     * Sends a player the death screen with a specified death message.
++     *
++     * @param message The death message to show the player
++     */
++    void sendDeathScreen(@NotNull net.kyori.adventure.text.Component message);
++
++    /**
++     * Sends a player the death screen with a specified death message,
++     * along with the entity that caused the death.
++     *
++     * @param message The death message to show the player
++     * @param killer The entity that killed the player
++     * @deprecated Use {@link #sendDeathScreen(net.kyori.adventure.text.Component)} instead, as 1.20 removed the killer ID from the packet.
++     */
++    @Deprecated(since = "1.20")
++    default void sendDeathScreen(@NotNull net.kyori.adventure.text.Component message, @Nullable Entity killer) {
++        sendDeathScreen(message);
++    }
+     // Purpur end
+ }