Updated Upstream (Paper)

Upstream has released updates that appear to apply and compile correctly

Paper Changes:
PaperMC/Paper@3b45454 Port random ticking optimisation from Moonrise
PaperMC/Paper@77fcb29 Apply incremental player/level saving patch
PaperMC/Paper@9fd7710 Apply automatic regionfile header recalculation patch
PaperMC/Paper@b57b24d Do not try to stop main thread during watchdog shutdown

patches/server/0091-Use-linked-map-for-entity-trackers.patch

@@ -0,0 +1,27 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Martijn Muijsers <martijnmuijsers@live.nl>
+Date: Thu, 1 Dec 2022 14:40:03 +0100
+Subject: [PATCH] Use linked map for entity trackers
+
+License: MIT (https://opensource.org/licenses/MIT)
+Gale - https://galemc.org
+
+This patch is based on the following mixin:
+"com/ishland/vmp/mixins/entitytracker/MixinThreadedAnvilChunkStorage.java"
+By: ishland <ishlandmc@yeah.net>
+As part of: VMP (https://github.com/RelativityMC/VMP-fabric)
+Licensed under: MIT (https://opensource.org/licenses/MIT)
+
+diff --git a/src/main/java/net/minecraft/server/level/ChunkMap.java b/src/main/java/net/minecraft/server/level/ChunkMap.java
+index 3f7586470329eb5ad9668df34a38b832b96f36d5..3af290825bbbc461354c6d76b61a0ebf8c8a3ee7 100644
+--- a/src/main/java/net/minecraft/server/level/ChunkMap.java
++++ b/src/main/java/net/minecraft/server/level/ChunkMap.java
+@@ -203,7 +203,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
+         this.toDrop = new LongOpenHashSet();
+         this.tickingGenerated = new AtomicInteger();
+         this.playerMap = new PlayerMap();
+-        this.entityMap = new Int2ObjectOpenHashMap();
++        this.entityMap = new it.unimi.dsi.fastutil.ints.Int2ObjectLinkedOpenHashMap(); // Gale - VMP - use linked map for entity trackers - provides faster iteration
+         this.chunkTypeCache = new Long2ByteOpenHashMap();
+         this.chunkSaveCooldowns = new Long2LongOpenHashMap();
+         // Paper - rewrite chunk system