Updated Upstream (Bukkit/CraftBukkit) (#9342)

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:
fdff0cd4 PR-869: Add Enderman#teleport and Enderman#teleportTowards
dfd86ee7 Improve sendSignChange and related documentation
beced2b2 PR-867: Add Player#sendBlockUpdate to send tile entity updates

CraftBukkit Changes:
ad6d0cffb SPIGOT-7394: Fix another issue with sendSignChange
66c5ce4c7 SPIGOT-7391: Preserve vanilla sign json where not modified by event
ae3824f94 PR-1204: Add Enderman#teleport and Enderman#teleportTowards
5863a2eae Fix sendSignChange not working
4a7eadc97 PR-1201: Add Player#sendBlockUpdate to send tile entity updates
789324e30 Work around issue placing decorated pots

patches/api/0372-Custom-Chat-Completion-Suggestions-API.patch

@@ -5,10 +5,10 @@ Subject: [PATCH] Custom Chat Completion Suggestions API
 
 
 diff --git a/src/main/java/org/bukkit/entity/Player.java b/src/main/java/org/bukkit/entity/Player.java
-index d37272b80dc3c1f923cebf387ac35b7ec13ca3cc..e5877f30aa21e1a3d7b9889160b64312e0f87b5c 100644
+index d2f3114d2fe708553b638010394022d09bde39cf..104629c89bd4d2a9c086bf2bdbf5dddc7d247660 100644
 --- a/src/main/java/org/bukkit/entity/Player.java
 +++ b/src/main/java/org/bukkit/entity/Player.java
-@@ -2779,6 +2779,25 @@ public interface Player extends HumanEntity, Conversable, OfflinePlayer, PluginM
+@@ -2809,6 +2809,25 @@ public interface Player extends HumanEntity, Conversable, OfflinePlayer, PluginM
       * @throws IllegalArgumentException If the level is negative or greater than {@code 4} (i.e. not within {@code [0, 4]}).
       */
      void sendOpLevel(byte level);