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/Fix-lag-from-explosions-processing-dead-entities.patch

@@ -25,7 +25,7 @@ index 462f8f33a..e1c628f17 100644
  
          for (int l1 = 0; l1 < list.size(); ++l1) {
 diff --git a/src/main/java/net/minecraft/server/IEntitySelector.java b/src/main/java/net/minecraft/server/IEntitySelector.java
-index ac44db254..035d70419 100644
+index e2744dc40..9bf191945 100644
 --- a/src/main/java/net/minecraft/server/IEntitySelector.java
 +++ b/src/main/java/net/minecraft/server/IEntitySelector.java
 @@ -0,0 +0,0 @@ public final class IEntitySelector {
@@ -34,6 +34,6 @@ index ac44db254..035d70419 100644
      };
 +    public static Predicate<Entity> canAITarget() { return e; } // Paper - OBFHELPER
      public static final Predicate<Entity> e = (entity) -> {
-         return !(entity instanceof EntityHuman) || !entity.t() && !((EntityHuman) entity).isCreative();
+         return !(entity instanceof EntityHuman) || !entity.isSpectator() && !((EntityHuman) entity).isCreative();
      };
 --