Updated Upstream (CraftBukkit) (#5762)

Upstream has released updates that appear to apply and compile correctly.
This update has not been tested by PaperMC and as with ANY update, please do your own testing

CraftBukkit Changes:
90a4d64a Remove usage of Java 11 method not caught by animal sniffer
c51c0f7f SPIGOT-6483: Fix cancelling EntityPickupEvent for villagers

Spigot-Server-Patches/Reset-villager-inventory-on-cancelled-pickup-event.patch

@@ -1,42 +0,0 @@
-From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
-From: BillyGalbreath <blake.galbreath@gmail.com>
-Date: Fri, 28 May 2021 06:48:48 -0500
-Subject: [PATCH] Reset villager inventory on cancelled pickup event
-
-
-diff --git a/src/main/java/net/minecraft/world/InventorySubcontainer.java b/src/main/java/net/minecraft/world/InventorySubcontainer.java
-index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
---- a/src/main/java/net/minecraft/world/InventorySubcontainer.java
-+++ b/src/main/java/net/minecraft/world/InventorySubcontainer.java
-@@ -0,0 +0,0 @@ public class InventorySubcontainer implements IInventory, AutoRecipeOutput {
-         return this.items;
-     }
- 
-+    // Paper start
-+    public void setContents(List<ItemStack> items) {
-+        this.items.clear();
-+        for(int i = 0; i < items.size(); i++) {
-+            this.items.set(i, items.get(i));
-+        }
-+        this.update();
-+    }
-+    // Paper end
-+
-     public void onOpen(CraftHumanEntity who) {
-         transaction.add(who);
-     }
-diff --git a/src/main/java/net/minecraft/world/entity/npc/EntityVillager.java b/src/main/java/net/minecraft/world/entity/npc/EntityVillager.java
-index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
---- a/src/main/java/net/minecraft/world/entity/npc/EntityVillager.java
-+++ b/src/main/java/net/minecraft/world/entity/npc/EntityVillager.java
-@@ -0,0 +0,0 @@ public class EntityVillager extends EntityVillagerAbstract implements Reputation
-             }
- 
-             // CraftBukkit start
-+            List<ItemStack> contentsSnapshot = new java.util.ArrayList<>(inventorysubcontainer.getContents()); // Paper
-             ItemStack itemstack1 = inventorysubcontainer.a(itemstack);
-             if (CraftEventFactory.callEntityPickupItemEvent(this, entityitem, itemstack1.getCount(), false).isCancelled()) {
-+                inventorysubcontainer.setContents(contentsSnapshot); // Paper
-                 return;
-             }
-             // CraftBukkit end