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-API-Patches/0141-Add-PhantomPreSpawnEvent.patch

@@ -1,4 +1,4 @@
-From b6ff2c92913deb4a8612f65f21a4a065d81527f8 Mon Sep 17 00:00:00 2001
+From 1f4f38a8c690ff17d12462ffe4661419db8d45b8 Mon Sep 17 00:00:00 2001
 From: BillyGalbreath <Blake.Galbreath@GMail.com>
 Date: Sat, 25 Aug 2018 19:56:42 -0500
 Subject: [PATCH] Add PhantomPreSpawnEvent
@@ -70,5 +70,5 @@ index 1a1044edc..ed4d417c2 100644
 +    // Paper end
  }
 -- 
-2.25.1
+2.26.2