Updated Upstream (Bukkit/CraftBukkit)

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

Bukkit Changes:
75a0ee4f SPIGOT-6691: Material.LAVA_CAULDRON is not Levelled

CraftBukkit Changes:
e1c96e50 SPIGOT-6682: Blocking with shield not reset after die
97f629b6 SPIGOT-6220: Structures in the world with custom generator not work
85379258 Increase outdated build delay
f7f8dce4 SPIGOT-6552: Some inventory types reset cursor on switch

patches/api/0284-Item-Rarity-API.patch

@@ -39,10 +39,10 @@ index 0000000000000000000000000000000000000000..74ef8395cc040ce488c2acaa416db202
 +    }
 +}
 diff --git a/src/main/java/org/bukkit/Material.java b/src/main/java/org/bukkit/Material.java
-index 5ff032f73d88dd91163ff3e6c89dcd0d1507228c..a9bcb123526da0881728070d36aea37612db8cf2 100644
+index 1edfa68a52f988b34652e98faffeabde4f0cc99a..b83c504be7a8d0905d401b421c4274a58f70866c 100644
 --- a/src/main/java/org/bukkit/Material.java
 +++ b/src/main/java/org/bukkit/Material.java
-@@ -4003,6 +4003,17 @@ public enum Material implements Keyed {
+@@ -4000,6 +4000,17 @@ public enum Material implements Keyed {
      public String getTranslationKey() {
          return Bukkit.getUnsafe().getTranslationKey(this);
      }
@@ -88,7 +88,7 @@ index 84eda68281c6c6968d95b1313a33696c3a9980d4..bcd10b2c9255d778b678310febf19373
      // Paper end
  }
 diff --git a/src/main/java/org/bukkit/inventory/ItemStack.java b/src/main/java/org/bukkit/inventory/ItemStack.java
-index d11ebe61560e652fe96b3b0c7ab9174788ff83cb..e8f4543131d293beaa1fe9b44e2e98f27bc5dc79 100644
+index f2c8ffaf8b62707e7806012d41f9cd7be1638ed9..0cb944652dc6d77a2cbeaf0d420fb694924b5b60 100644
 --- a/src/main/java/org/bukkit/inventory/ItemStack.java
 +++ b/src/main/java/org/bukkit/inventory/ItemStack.java
 @@ -864,5 +864,15 @@ public class ItemStack implements Cloneable, ConfigurationSerializable, net.kyor