Updated Upstream (Paper)

Upstream has released updates that appear to apply and compile correctly

Paper Changes:
840e72091 [CI-SKIP] [Auto] Rebuild Patches
a33232d4a Add beacon activation and deactivation events (#5121)
bc7ea673a Add internal channel initialization listeners (#5557)
b28ad17ac Check for world change in MoveEvent API methods
3095c7592 [Auto] Updated Upstream (CraftBukkit)
f56989c97 Add RespawnFlags to PlayerRespawnEvent (#5533)
7579c2667 Add more API to PlayerMoveEvent (#5553)

patches/server/0135-Left-handed-API.patch

@@ -0,0 +1,25 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: BillyGalbreath <blake.galbreath@gmail.com>
+Date: Mon, 30 Nov 2020 06:03:06 -0600
+Subject: [PATCH] Left handed API
+
+
+diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftMob.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftMob.java
+index 06cbe63ef04e0de824ac0b9d545b6da1f53701b3..d45d0913bd003bd1da23a62be62298eadadfe320 100644
+--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftMob.java
++++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftMob.java
+@@ -85,4 +85,14 @@ public abstract class CraftMob extends CraftLivingEntity implements Mob {
+         return getHandle().isInDaylight();
+     }
+     // Paper end
++
++    // Purpur start
++    public boolean isLeftHanded() {
++        return getHandle().isLeftHanded();
++    }
++
++    public void setLeftHanded(boolean leftHanded) {
++        getHandle().setLeftHanded(leftHanded);
++    }
++    // Purpur end
+ }