Updated Upstream (Bukkit/CraftBukkit)

Upstream has released updates that appears 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:
b999860d SPIGOT-2304: Add LootGenerateEvent

CraftBukkit Changes:
77fd87e4 SPIGOT-2304: Implement LootGenerateEvent
a1a705ee SPIGOT-5566: Doused campfires & fires should call EntityChangeBlockEvent
41712edd SPIGOT-5707: PersistentDataHolder not Persistent on API dropped Item

Spigot-Server-Patches/0161-Implement-ensureServerConversions-API.patch

@@ -1,4 +1,4 @@
-From 5e85d280c3172b657231cc60b3dba12471f8f16c Mon Sep 17 00:00:00 2001
+From a98b708ebf3883124461b8a7a17ad5f98f6036e4 Mon Sep 17 00:00:00 2001
 From: Aikar <aikar@aikar.co>
 Date: Wed, 4 May 2016 22:43:12 -0400
 Subject: [PATCH] Implement ensureServerConversions API
@@ -7,7 +7,7 @@ This will take a Bukkit ItemStack and run it through any conversions a server pr
 to ensure it meets latest minecraft expectations.
 
 diff --git a/src/main/java/org/bukkit/craftbukkit/inventory/CraftItemFactory.java b/src/main/java/org/bukkit/craftbukkit/inventory/CraftItemFactory.java
-index 01ab1943..8b219b5f 100644
+index 01ab19434a..8b219b5fa2 100644
 --- a/src/main/java/org/bukkit/craftbukkit/inventory/CraftItemFactory.java
 +++ b/src/main/java/org/bukkit/craftbukkit/inventory/CraftItemFactory.java
 @@ -335,4 +335,10 @@ public final class CraftItemFactory implements ItemFactory {
@@ -22,5 +22,5 @@ index 01ab1943..8b219b5f 100644
 +    // Paper end
  }
 -- 
-2.25.1.windows.1
+2.26.2