Updated Upstream (Paper)

Upstream has released updates that appear to apply and compile correctly

Paper Changes:
PaperMC/Paper@7e68259c attribute modifier display
PaperMC/Paper@8d5be7ed port some generator fixes
PaperMC/Paper@569c3231 update to pre4

purpur-api/paper-patches/files/src/main/java/org/bukkit/World.java.patch

@@ -1,6 +1,6 @@
 --- a/src/main/java/org/bukkit/World.java
 +++ b/src/main/java/org/bukkit/World.java
-@@ -4290,6 +_,86 @@
+@@ -4308,6 +_,86 @@
      @Nullable
      public DragonBattle getEnderDragonBattle();