Updated Upstream (Bukkit/CraftBukkit/Spigot)

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

Please note that this build includes changes to meet upstreams
requirements for nullability annotations. While we aim for a level of
accuracy, these might not be 100% correct, if there are any issues,
please speak to us on discord, or open an issue on the tracker to
discuss.

Bukkit Changes:
9a6a1de3 Remove nullability annotations from enum constructors
3f0591ea SPIGOT-2540: Add nullability annotations to entire Bukkit API

CraftBukkit Changes:
8d8475fc SPIGOT-4666: Force parameter in HumanEntity#sleep
8b1588e2 Fix ExplosionPrimeEvent#setFire not working with EnderCrystals
39a287b7 Don't ignore newlines in PlayerListHeader/Footer

Spigot Changes:
cf694d87 Add nullability annotations

Spigot-API-Patches/Add-exception-reporting-event.patch

@@ -6,7 +6,7 @@ Subject: [PATCH] Add exception reporting event
 
 diff --git a/src/main/java/com/destroystokyo/paper/event/server/ServerExceptionEvent.java b/src/main/java/com/destroystokyo/paper/event/server/ServerExceptionEvent.java
 new file mode 100644
-index 00000000..4109454a
+index 000000000..d3b00f741
 --- /dev/null
 +++ b/src/main/java/com/destroystokyo/paper/event/server/ServerExceptionEvent.java
 @@ -0,0 +0,0 @@
@@ -17,15 +17,16 @@ index 00000000..4109454a
 +import org.bukkit.event.Event;
 +import org.bukkit.event.HandlerList;
 +import com.destroystokyo.paper.exception.ServerException;
++import org.jetbrains.annotations.NotNull;
 +
 +/**
 + * Called whenever an exception is thrown in a recoverable section of the server.
 + */
 +public class ServerExceptionEvent extends Event {
 +    private static final HandlerList handlers = new HandlerList();
-+    private ServerException exception;
++    @NotNull private ServerException exception;
 +
-+    public ServerExceptionEvent(ServerException exception) {
++    public ServerExceptionEvent(@NotNull ServerException exception) {
 +        this.exception = Preconditions.checkNotNull(exception, "exception");
 +    }
 +
@@ -34,22 +35,25 @@ index 00000000..4109454a
 +     *
 +     * @return Exception thrown
 +     */
++    @NotNull
 +    public ServerException getException() {
 +        return exception;
 +    }
 +
++    @NotNull
 +    @Override
 +    public HandlerList getHandlers() {
 +        return handlers;
 +    }
 +
++    @NotNull
 +    public static HandlerList getHandlerList() {
 +        return handlers;
 +    }
 +}
 diff --git a/src/main/java/com/destroystokyo/paper/exception/ServerCommandException.java b/src/main/java/com/destroystokyo/paper/exception/ServerCommandException.java
 new file mode 100644
-index 00000000..6fb39af0
+index 000000000..6fb39af04
 --- /dev/null
 +++ b/src/main/java/com/destroystokyo/paper/exception/ServerCommandException.java
 @@ -0,0 +0,0 @@
@@ -119,7 +123,7 @@ index 00000000..6fb39af0
 +}
 diff --git a/src/main/java/com/destroystokyo/paper/exception/ServerEventException.java b/src/main/java/com/destroystokyo/paper/exception/ServerEventException.java
 new file mode 100644
-index 00000000..410b2413
+index 000000000..410b24139
 --- /dev/null
 +++ b/src/main/java/com/destroystokyo/paper/exception/ServerEventException.java
 @@ -0,0 +0,0 @@
@@ -177,7 +181,7 @@ index 00000000..410b2413
 +}
 diff --git a/src/main/java/com/destroystokyo/paper/exception/ServerException.java b/src/main/java/com/destroystokyo/paper/exception/ServerException.java
 new file mode 100644
-index 00000000..c06ea394
+index 000000000..c06ea3942
 --- /dev/null
 +++ b/src/main/java/com/destroystokyo/paper/exception/ServerException.java
 @@ -0,0 +0,0 @@
@@ -206,7 +210,7 @@ index 00000000..c06ea394
 +}
 diff --git a/src/main/java/com/destroystokyo/paper/exception/ServerInternalException.java b/src/main/java/com/destroystokyo/paper/exception/ServerInternalException.java
 new file mode 100644
-index 00000000..e762ed0d
+index 000000000..e762ed0db
 --- /dev/null
 +++ b/src/main/java/com/destroystokyo/paper/exception/ServerInternalException.java
 @@ -0,0 +0,0 @@
@@ -247,7 +251,7 @@ index 00000000..e762ed0d
 +}
 diff --git a/src/main/java/com/destroystokyo/paper/exception/ServerPluginEnableDisableException.java b/src/main/java/com/destroystokyo/paper/exception/ServerPluginEnableDisableException.java
 new file mode 100644
-index 00000000..f016ba3b
+index 000000000..f016ba3b1
 --- /dev/null
 +++ b/src/main/java/com/destroystokyo/paper/exception/ServerPluginEnableDisableException.java
 @@ -0,0 +0,0 @@
@@ -274,7 +278,7 @@ index 00000000..f016ba3b
 \ No newline at end of file
 diff --git a/src/main/java/com/destroystokyo/paper/exception/ServerPluginException.java b/src/main/java/com/destroystokyo/paper/exception/ServerPluginException.java
 new file mode 100644
-index 00000000..6defac28
+index 000000000..6defac287
 --- /dev/null
 +++ b/src/main/java/com/destroystokyo/paper/exception/ServerPluginException.java
 @@ -0,0 +0,0 @@
@@ -318,7 +322,7 @@ index 00000000..6defac28
 +}
 diff --git a/src/main/java/com/destroystokyo/paper/exception/ServerPluginMessageException.java b/src/main/java/com/destroystokyo/paper/exception/ServerPluginMessageException.java
 new file mode 100644
-index 00000000..89e13252
+index 000000000..89e132525
 --- /dev/null
 +++ b/src/main/java/com/destroystokyo/paper/exception/ServerPluginMessageException.java
 @@ -0,0 +0,0 @@
@@ -388,7 +392,7 @@ index 00000000..89e13252
 +}
 diff --git a/src/main/java/com/destroystokyo/paper/exception/ServerSchedulerException.java b/src/main/java/com/destroystokyo/paper/exception/ServerSchedulerException.java
 new file mode 100644
-index 00000000..2d0b2d4a
+index 000000000..2d0b2d4a9
 --- /dev/null
 +++ b/src/main/java/com/destroystokyo/paper/exception/ServerSchedulerException.java
 @@ -0,0 +0,0 @@
@@ -431,7 +435,7 @@ index 00000000..2d0b2d4a
 +}
 diff --git a/src/main/java/com/destroystokyo/paper/exception/ServerTabCompleteException.java b/src/main/java/com/destroystokyo/paper/exception/ServerTabCompleteException.java
 new file mode 100644
-index 00000000..5582999f
+index 000000000..5582999fe
 --- /dev/null
 +++ b/src/main/java/com/destroystokyo/paper/exception/ServerTabCompleteException.java
 @@ -0,0 +0,0 @@
@@ -458,7 +462,7 @@ index 00000000..5582999f
 +    }
 +}
 diff --git a/src/main/java/org/bukkit/command/SimpleCommandMap.java b/src/main/java/org/bukkit/command/SimpleCommandMap.java
-index 43e52a77..65ad78c4 100644
+index f7ec2e55f..f52d91d19 100644
 --- a/src/main/java/org/bukkit/command/SimpleCommandMap.java
 +++ b/src/main/java/org/bukkit/command/SimpleCommandMap.java
 @@ -0,0 +0,0 @@ import java.util.Iterator;
@@ -499,7 +503,7 @@ index 43e52a77..65ad78c4 100644
      }
  
 diff --git a/src/main/java/org/bukkit/plugin/SimplePluginManager.java b/src/main/java/org/bukkit/plugin/SimplePluginManager.java
-index 0185934b..b7627e39 100644
+index fe5725519..4c55f5f8c 100644
 --- a/src/main/java/org/bukkit/plugin/SimplePluginManager.java
 +++ b/src/main/java/org/bukkit/plugin/SimplePluginManager.java
 @@ -0,0 +0,0 @@ import java.util.logging.Level;