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/0782-Add-API-for-item-entity-health.patch

@@ -0,0 +1,32 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Jake Potrebic <jake.m.potrebic@gmail.com>
+Date: Sat, 28 Aug 2021 09:00:45 -0700
+Subject: [PATCH] Add API for item entity health
+
+
+diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftItem.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftItem.java
+index 1d90219c3a0e86786a9497d4c078c2d4077ab6cd..fea44ba6a6584b4a510af6a58cab07eecec6b68b 100644
+--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftItem.java
++++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftItem.java
+@@ -102,6 +102,21 @@ public class CraftItem extends CraftEntity implements Item {
+      public void setWillAge(boolean willAge) {
+         item.age = willAge ? 0 : NO_AGE_TIME;
+      }
++
++    @Override
++    public int getHealth() {
++        return item.health;
++    }
++
++    @Override
++    public void setHealth(int health) {
++        if (health <= 0) {
++            item.getItem().onDestroyed(item);
++            item.discard();
++        } else {
++            item.health = health;
++        }
++    }
+     // Paper End
+ 
+     @Override