Update upstream BD/CB/S

--- work/BuildData
Submodule work/BuildData 633897ca..f0032df4:
  > Mappings Update

--- work/CraftBukkit
Submodule work/CraftBukkit b7fea427..043d31de:
  > SPIGOT-5015: Players in spectator mode prevent block placement and block projectiles
  > Make bukkitEntity private to prevent incorrect usage

--- work/Spigot
Submodule work/Spigot 01d0f046..baafee91:
  > Rebuild patches

Spigot-Server-Patches/Shoulder-Entities-Release-API.patch

@@ -5,7 +5,7 @@ Subject: [PATCH] Shoulder Entities Release API
 
 
 diff --git a/src/main/java/net/minecraft/server/EntityHuman.java b/src/main/java/net/minecraft/server/EntityHuman.java
-index 3cb04543d..05942fb7e 100644
+index cfcbd1a2e..b8fe15f1a 100644
 --- a/src/main/java/net/minecraft/server/EntityHuman.java
 +++ b/src/main/java/net/minecraft/server/EntityHuman.java
 @@ -0,0 +0,0 @@ public abstract class EntityHuman extends EntityLiving {
@@ -56,8 +56,8 @@ index 3cb04543d..05942fb7e 100644
      }
 +    // Paper end
  
+     @Override
      public abstract boolean isSpectator();
- 
 diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftHumanEntity.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftHumanEntity.java
 index 772f919b6..bb4dde0de 100644
 --- a/src/main/java/org/bukkit/craftbukkit/entity/CraftHumanEntity.java