Updated Upstream (Bukkit/CraftBukkit) (#8430)

Upstream has released updates that appear to apply and compile correctly.
This update has not been tested by PaperMC and as with ANY update, please do your own testing

Bukkit Changes:
09943450 Update SnakeYAML version
5515734f SPIGOT-7162: Incorrect description for Entity#getVehicle javadoc
6f82b381 PR-788: Add getHand() to all relevant events

CraftBukkit Changes:
aaf484f6f SPIGOT-7163: CraftMerchantRecipe doesn't copy demand and specialPrice from BukkitMerchantRecipe
5329dd6fd PR-1107: Add getHand() to all relevant events
93061706e SPIGOT-7045: Ocelots never spawn with babies with spawn reason OCELOT_BABY

patches/api/0232-Add-API-for-quit-reason.patch

@@ -0,0 +1,79 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Mariell Hoversholm <proximyst@proximyst.com>
+Date: Sat, 14 Nov 2020 16:19:58 +0100
+Subject: [PATCH] Add API for quit reason
+
+
+diff --git a/src/main/java/org/bukkit/event/player/PlayerQuitEvent.java b/src/main/java/org/bukkit/event/player/PlayerQuitEvent.java
+index 0395ca85a466f6356259078d3bad48b2ce6e57b7..6e9205024ca9d3000a371bd0eb723dcd6c662bce 100644
+--- a/src/main/java/org/bukkit/event/player/PlayerQuitEvent.java
++++ b/src/main/java/org/bukkit/event/player/PlayerQuitEvent.java
+@@ -11,16 +11,28 @@ import org.jetbrains.annotations.Nullable;
+ public class PlayerQuitEvent extends PlayerEvent {
+     private static final HandlerList handlers = new HandlerList();
+     private net.kyori.adventure.text.Component quitMessage; // Paper
++    private final QuitReason reason; // Paper
+ 
+     @Deprecated // Paper
+     public PlayerQuitEvent(@NotNull final Player who, @Nullable final String quitMessage) {
++        // Paper start
++        this(who, quitMessage, null);
++    }
++    @Deprecated // Paper
++    public PlayerQuitEvent(@NotNull final Player who, @Nullable final String quitMessage, @Nullable QuitReason quitReason) {
+         super(who);
+         this.quitMessage = quitMessage != null ? net.kyori.adventure.text.serializer.legacy.LegacyComponentSerializer.legacySection().deserialize(quitMessage) : null; // Paper
++        this.reason = quitReason == null ? QuitReason.DISCONNECTED : quitReason;
+     }
+     // Paper start
++    @Deprecated
+     public PlayerQuitEvent(@NotNull final Player who, @Nullable final net.kyori.adventure.text.Component quitMessage) {
++        this(who, quitMessage, null);
++    }
++    public PlayerQuitEvent(@NotNull final Player who, @Nullable final net.kyori.adventure.text.Component quitMessage, @Nullable QuitReason quitReason) {
+         super(who);
+         this.quitMessage = quitMessage;
++        this.reason = quitReason == null ? QuitReason.DISCONNECTED : quitReason;
+     }
+ 
+     /**
+@@ -75,4 +87,39 @@ public class PlayerQuitEvent extends PlayerEvent {
+     public static HandlerList getHandlerList() {
+         return handlers;
+     }
++
++    // Paper start
++    @NotNull
++    public QuitReason getReason() {
++        return this.reason;
++    }
++
++    public enum QuitReason {
++        /**
++         * The player left on their own behalf.
++         * <p>
++         * This does not mean they pressed the disconnect button in their client, but rather that the client severed the
++         * connection themselves. This may occur if no keep-alive packet is received on their side, among other things.
++         */
++        DISCONNECTED,
++
++        /**
++         * The player was kicked from the server.
++         */
++        KICKED,
++
++        /**
++         * The player has timed out.
++         */
++        TIMED_OUT,
++
++        /**
++         * The player's connection has entered an erroneous state.
++         * <p>
++         * Reasons for this may include invalid packets, invalid data, and uncaught exceptions in the packet handler,
++         * among others.
++         */
++        ERRONEOUS_STATE,
++    }
++    // Paper end
+ }