Add missing deprecation to AdvancementDisplayType (#7876)

patches/api/0333-Add-advancement-display-API.patch

@@ -232,3 +232,17 @@ index 0ff86a39025a94ca128364a45bf171728cb81027..aec6be7e121da3eb8a464b6934da29ab
  public interface AdvancementDisplay {
  
      /**
+diff --git a/src/main/java/org/bukkit/advancement/AdvancementDisplayType.java b/src/main/java/org/bukkit/advancement/AdvancementDisplayType.java
+index d6640a9ebb30195abf4570dfd30a320fa4636995..f6e1a6c1bb7b99a391dec73c9707840214988fc6 100644
+--- a/src/main/java/org/bukkit/advancement/AdvancementDisplayType.java
++++ b/src/main/java/org/bukkit/advancement/AdvancementDisplayType.java
+@@ -8,7 +8,9 @@ import org.jetbrains.annotations.NotNull;
+  *
+  * This enum contains information about these types and how they are
+  * represented.
++ * @deprecated use {@link io.papermc.paper.advancement.AdvancementDisplay.Frame}
+  */
++@Deprecated(forRemoval = true)
+ public enum AdvancementDisplayType {
+ 
+     /**