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/server/0328-Dont-send-unnecessary-sign-update.patch

@@ -0,0 +1,18 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Nassim Jahnke <nassim@njahnke.dev>
+Date: Sat, 11 Sep 2021 11:56:51 +0200
+Subject: [PATCH] Dont send unnecessary sign update
+
+
+diff --git a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
+index 4ebae3246e3866bbdfa17e43bd0252d637885052..3af9f2d86cf2a9566e22865689101245647d05a5 100644
+--- a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
++++ b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
+@@ -3341,6 +3341,7 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Tic
+ 
+             if (!tileentitysign.isEditable() || !this.player.getUUID().equals(tileentitysign.getPlayerWhoMayEdit())) {
+                 ServerGamePacketListenerImpl.LOGGER.warn("Player {} just tried to change non-editable sign", this.player.getName().getString());
++                if (this.player.distanceToSqr(blockposition.getX(), blockposition.getY(), blockposition.getZ()) < 32 * 32) // Paper
+                 this.send(tileentity.getUpdatePacket()); // CraftBukkit
+                 return;
+             }