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/0728-Do-not-run-raytrace-logic-for-AIR.patch

@@ -0,0 +1,22 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Spottedleaf <Spottedleaf@users.noreply.github.com>
+Date: Sun, 7 Mar 2021 13:15:04 -0800
+Subject: [PATCH] Do not run raytrace logic for AIR
+
+Saves approx. 5% for the raytrace call, as most (expensive)
+raytracing tends to go through air and returning early is an
+easy win. The remaining problems with this function
+are mostly with the block getting itself.
+
+diff --git a/src/main/java/net/minecraft/world/level/BlockGetter.java b/src/main/java/net/minecraft/world/level/BlockGetter.java
+index 9cf2f046d50a8a0e08189c9b4b5d2f323d1f790d..d1eefa6ef3e9abfe7af4d8310aa64465fa2d5463 100644
+--- a/src/main/java/net/minecraft/world/level/BlockGetter.java
++++ b/src/main/java/net/minecraft/world/level/BlockGetter.java
+@@ -84,6 +84,7 @@ public interface BlockGetter extends LevelHeightAccessor {
+                 return BlockHitResult.miss(raytrace1.getTo(), Direction.getNearest(vec3d.x, vec3d.y, vec3d.z), new BlockPos(raytrace1.getTo()));
+             }
+             // Paper end
++            if (iblockdata.isAir()) return null; // Paper - optimise air cases
+             FluidState fluid = iblockdata.getFluidState(); // Paper - don't need to go to world state again
+             Vec3 vec3d = raytrace1.getFrom();
+             Vec3 vec3d1 = raytrace1.getTo();