Updated Upstream (Bukkit/CraftBukkit/Spigot) (#8874)

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:
6b3c598b PR-814: Add a method to send multiple equipment changes
181a984b Update Maven shade version to align with CraftBukkit
a5a36e32 Revert "Update Maven shade version to align with CraftBukkit"
7a8f4a42 Update Maven shade version to align with CraftBukkit
58327201 Add support for Java 20

CraftBukkit Changes:
b56426c7a PR-1142: Calculate explosion damage separately for each affected EntityComplexPart
fbe3410af PR-1140: Add a method to send multiple equipment changes
8434e3633 Add support for Java 20
c998a1d23 Increase outdated build delay
4a929b5d6 SPIGOT-7267: Fix EntityType#getTranslationKey() and add unit test
086d8dc8a SPIGOT-7268: CraftMetaPotion reads ShowParticles and ShowIcon properties incorrectly
8ba5e399e SPIGOT-7262: Improve visibility API

Spigot Changes:
a2190e30 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 7efa33336a6f6309cf11677185fd11a7c0757bb3..a2a207ea9aa7e6a09af75cf8975153b9abc10ec2 100644
+index 0267319ee4e4a7ec3b28ad83572c8e8684d2f9fe..d68c7751d135c0e600907ae3a1ddd55f591dcade 100644
 --- a/src/main/java/org/bukkit/entity/Player.java
 +++ b/src/main/java/org/bukkit/entity/Player.java
-@@ -1089,12 +1089,33 @@ public interface Player extends HumanEntity, Conversable, OfflinePlayer, PluginM
+@@ -1097,12 +1097,33 @@ public interface Player extends HumanEntity, Conversable, OfflinePlayer, PluginM
       */
      public void resetPlayerWeather();