Updated Upstream (Bukkit/CraftBukkit/Spigot) (#9228)

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:
4727d326 Don't let Sign extend SignSide, mark API as experimental
9b29bdcc PR-845: Add preliminary support for multi sided signs

CraftBukkit Changes:
b346a5f6d PR-1170: Add preliminary support for multi sided signs
86c816189 Update SQLite version
d9324b4bc Fix addition of custom smithing trim / transform recipes

Spigot Changes:
7d7b241e Rebuild patches

patches/api/0080-Ability-to-apply-mending-to-XP-API.patch

@@ -10,10 +10,10 @@ of giving the player experience points.
 Both an API To standalone mend, and apply mending logic to .giveExp has been added.
 
 diff --git a/src/main/java/org/bukkit/entity/Player.java b/src/main/java/org/bukkit/entity/Player.java
-index 1d791f76151c1baa762d85cb82c6cfcd7b30d1ab..89af3de0f439cfb5bde2a23147b2ba7da482f9c1 100644
+index c7c23873a09c9eb0d86a6984e3dfe3413f88d5e1..e4e254c26adb15be4f60a59a0cf8a41816b9250a 100644
 --- a/src/main/java/org/bukkit/entity/Player.java
 +++ b/src/main/java/org/bukkit/entity/Player.java
-@@ -1173,6 +1173,15 @@ public interface Player extends HumanEntity, Conversable, OfflinePlayer, PluginM
+@@ -1174,6 +1174,15 @@ public interface Player extends HumanEntity, Conversable, OfflinePlayer, PluginM
       */
      public void resetPlayerWeather();
  
@@ -29,7 +29,7 @@ index 1d791f76151c1baa762d85cb82c6cfcd7b30d1ab..89af3de0f439cfb5bde2a23147b2ba7d
      /**
       * Gets the player's cooldown between picking up experience orbs.
       *
-@@ -1198,8 +1207,20 @@ public interface Player extends HumanEntity, Conversable, OfflinePlayer, PluginM
+@@ -1199,8 +1208,20 @@ public interface Player extends HumanEntity, Conversable, OfflinePlayer, PluginM
       * Gives the player the amount of experience specified.
       *
       * @param amount Exp amount to give