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:
e28fb3bd SPIGOT-5301: BlockIgniteEvent for campfire + arrow

CraftBukkit Changes:
763e5601 SPIGOT-5294: Cancelled EntityPickupItemEvent and PlayerPickupItemEvent alter on-ground stacks
403ac185 SPIGOT-5301: BlockIgniteEvent for campfire + arrow

Spigot-Server-Patches/Implement-alternative-item-despawn-rate.patch

@@ -80,7 +80,7 @@ index 318a470ee..e7bbeef74 100644
 +    }
  }
 diff --git a/src/main/java/net/minecraft/server/EntityItem.java b/src/main/java/net/minecraft/server/EntityItem.java
-index 209169895..97e379090 100644
+index bc7e706d1..df26cef6a 100644
 --- a/src/main/java/net/minecraft/server/EntityItem.java
 +++ b/src/main/java/net/minecraft/server/EntityItem.java
 @@ -0,0 +0,0 @@ import java.util.List;

Spigot-Server-Patches/InventoryCloseEvent-Reason-API.patch

@@ -168,7 +168,7 @@ index e610c8aae..ce35e6bbc 100644
  
          // Check if the fromWorld and toWorld are the same.
 diff --git a/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java b/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java
-index e58dac2c8..9f39cfa45 100644
+index 87de825d5..f6e17986b 100644
 --- a/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java
 +++ b/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java
 @@ -0,0 +0,0 @@ public class CraftEventFactory {

Spigot-Server-Patches/PlayerPickupItemEvent-setFlyAtPlayer.patch

@@ -5,7 +5,7 @@ Subject: [PATCH] PlayerPickupItemEvent#setFlyAtPlayer
 
 
 diff --git a/src/main/java/net/minecraft/server/EntityItem.java b/src/main/java/net/minecraft/server/EntityItem.java
-index c0b81223f1..1baff88c4a 100644
+index 27decbd06..17c291569 100644
 --- a/src/main/java/net/minecraft/server/EntityItem.java
 +++ b/src/main/java/net/minecraft/server/EntityItem.java
 @@ -0,0 +0,0 @@ public class EntityItem extends Entity {
@@ -22,6 +22,7 @@ index c0b81223f1..1baff88c4a 100644
                  this.world.getServer().getPluginManager().callEvent(playerEvent);
 +                flyAtPlayer = playerEvent.getFlyAtPlayer(); // Paper
                  if (playerEvent.isCancelled()) {
+                     itemstack.setCount(i); // SPIGOT-5294 - restore count
 +                    // Paper Start
 +                    if (flyAtPlayer) {
 +                        entityhuman.receive(this, i);