Updated Upstream (Bukkit/CraftBukkit/Spigot)

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:
3dc4cdcd Update to Minecraft 1.14.3-pre4
88b25a8c SPIGOT-5098: Add a method to allow colored sign changes
6d913552 Update to Minecraft 1.14.3-pre4

CraftBukkit Changes:
f1f33559 Update to Minecraft 1.14.3
8a3d3f49 SPIGOT-5098: Add a method to allow colored sign changes
533290e2 SPIGOT-5100: Console warning from pig zombie targeting
6dde4b9f SPIGOT-5094: Allow opening merchant for wandering traders and hide the xp bar for custom merchants
9af90077 SPIGOT-5097: Bukkit.clearRecipes() no longer working
38fa220f Fix setting game rules via the API
fe3930ce Update to Minecraft 1.14.3-pre4
da071ec5 Remove outdated build delay.

Spigot Changes:
4d2f30f1 Update to Minecraft 1.14.3
f16400e3 Update to Minecraft 1.14.3-pre4

Spigot-Server-Patches/Item-canEntityPickup.patch

@@ -5,7 +5,7 @@ Subject: [PATCH] Item#canEntityPickup
 
 
 diff --git a/src/main/java/net/minecraft/server/EntityInsentient.java b/src/main/java/net/minecraft/server/EntityInsentient.java
-index 0ecbf873bf..c2771c5d94 100644
+index 4fa345db65..c20374d77b 100644
 --- a/src/main/java/net/minecraft/server/EntityInsentient.java
 +++ b/src/main/java/net/minecraft/server/EntityInsentient.java
 @@ -0,0 +0,0 @@ public abstract class EntityInsentient extends EntityLiving {
@@ -21,7 +21,7 @@ index 0ecbf873bf..c2771c5d94 100644
                  }
              }
 diff --git a/src/main/java/net/minecraft/server/EntityItem.java b/src/main/java/net/minecraft/server/EntityItem.java
-index 18b12f319b..d9c7a21504 100644
+index 0569ad9af8..c0b81223f1 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 {