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:
6148fca7 SPIGOT-5484: Add more spawn tick settings

CraftBukkit Changes:
fc249340 SPIGOT-5484: Add more spawn tick settings

Spigot Changes:
6de3d4be Rebuild patches

Spigot-Server-Patches/Reduce-sync-loads.patch

@@ -268,7 +268,7 @@ index 000000000..59aec1032
 +    }
 +}
 diff --git a/src/main/java/net/minecraft/server/ChunkProviderServer.java b/src/main/java/net/minecraft/server/ChunkProviderServer.java
-index 2c1937cbe..81d386b4c 100644
+index eb9bf1516..0745ab75a 100644
 --- a/src/main/java/net/minecraft/server/ChunkProviderServer.java
 +++ b/src/main/java/net/minecraft/server/ChunkProviderServer.java
 @@ -0,0 +0,0 @@ public class ChunkProviderServer extends IChunkProvider {
@@ -280,7 +280,7 @@ index 2c1937cbe..81d386b4c 100644
              this.serverThreadQueue.awaitTasks(completablefuture::isDone);
                  com.destroystokyo.paper.io.chunk.ChunkTaskManager.popChunkWait(); // Paper - async chunk debug
 diff --git a/src/main/java/net/minecraft/server/World.java b/src/main/java/net/minecraft/server/World.java
-index bfbbfb1ba..a2f7c032d 100644
+index 61829b3bf..1cbd50450 100644
 --- a/src/main/java/net/minecraft/server/World.java
 +++ b/src/main/java/net/minecraft/server/World.java
 @@ -0,0 +0,0 @@ public abstract class World implements GeneratorAccess, AutoCloseable {