Updated Upstream (Paper)

Upstream has released updates that appears to apply and compile correctly

Paper Changes:
cc001a73b Climbing should not bypass cramming gamerule
b9930b39d Add legacy plugin count to metrics
4729e6b90 Add more lightning API
5e220bcb5 [ci skip] add stale bot configuration
2a44498a5 Add PlayerItemCooldownEvent
fd33bcee1 Add LivingEntity#clearActiveItem
a99e0ca05 Fix Player spawnParticle x/y/z precision loss

patches/server/0148-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 eaad222fd3..eb1d0d8e89 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
+ }