Updated Upstream (Paper & Tuinity)

Upstream has released updates that appears to apply and compile correctly

Paper Changes:
55e2de5c6 Improve per player mob spawning (#3971)
42433c262 Updated Upstream (Bukkit/CraftBukkit) (#3980)
e5ede546a Fix IDE Debug JVM Flag for 1.16 (#3983)
2712c6888 [Auto] Updated Upstream (Bukkit/CraftBukkit)
0901ffd04 Use title packet for actionbar methods (#3959)
2e11235d1 Expand MaterialTags (#3964)
cc25ae47c Amend last commit to fix decompile error forgot to commit
f503db37c Fix AdvancementDataPlayer leak due from quitting early in login
282763b88 Fix SPIGOT-5885 Unable to disable advancements
9b93d122e Fix SPIGOT-5824 Bukkit world-container is not used
bede4d304 Load config files early on

Tuinity Changes:
b0673b3 Merge dev/optimise-notify into ver/1.16
d3dc35c Name craft scheduler threads according to the plugin using them

patches/api/0009-AFK-API.patch

@@ -6,7 +6,7 @@ Subject: [PATCH] AFK API
 
 diff --git a/src/main/java/net/pl3x/purpur/event/PlayerAFKEvent.java b/src/main/java/net/pl3x/purpur/event/PlayerAFKEvent.java
 new file mode 100644
-index 00000000..0c8b3e5e
+index 000000000..0c8b3e5e4
 --- /dev/null
 +++ b/src/main/java/net/pl3x/purpur/event/PlayerAFKEvent.java
 @@ -0,0 +1,70 @@
@@ -81,10 +81,10 @@ index 00000000..0c8b3e5e
 +    }
 +}
 diff --git a/src/main/java/org/bukkit/entity/Player.java b/src/main/java/org/bukkit/entity/Player.java
-index 2eb31213..2dca16ac 100644
+index b584f8b15..9dbfe3614 100644
 --- a/src/main/java/org/bukkit/entity/Player.java
 +++ b/src/main/java/org/bukkit/entity/Player.java
-@@ -1870,4 +1870,25 @@ public interface Player extends HumanEntity, Conversable, OfflinePlayer, PluginM
+@@ -1877,4 +1877,25 @@ public interface Player extends HumanEntity, Conversable, OfflinePlayer, PluginM
      @Override
      Spigot spigot();
      // Spigot end