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da071ec5 Remove outdated build delay.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/EntityPathfindEvent.patch

@@ -6,7 +6,7 @@ Subject: [PATCH] EntityPathfindEvent
 Fires when an Entity decides to start moving to a location.
 
 diff --git a/src/main/java/net/minecraft/server/Navigation.java b/src/main/java/net/minecraft/server/Navigation.java
-index aacaecd82d..bc30e3f339 100644
+index 04ccf141ce..e15728668e 100644
 --- a/src/main/java/net/minecraft/server/Navigation.java
 +++ b/src/main/java/net/minecraft/server/Navigation.java
 @@ -0,0 +0,0 @@ public class Navigation extends NavigationAbstract {
@@ -17,9 +17,9 @@ index aacaecd82d..bc30e3f339 100644
 +        return this.b(new BlockPosition(entity), entity); // Paper - Forward target entity
      }
  
-     private int s() {
+     private int t() {
 diff --git a/src/main/java/net/minecraft/server/NavigationAbstract.java b/src/main/java/net/minecraft/server/NavigationAbstract.java
-index 75e01c2420..d04eb1bbfe 100644
+index 81dd8e4e89..130367099b 100644
 --- a/src/main/java/net/minecraft/server/NavigationAbstract.java
 +++ b/src/main/java/net/minecraft/server/NavigationAbstract.java
 @@ -0,0 +0,0 @@ import javax.annotation.Nullable;