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c998a1d23 Increase outdated build delay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/server/0004-Test-changes.patch

@@ -5,13 +5,13 @@ Subject: [PATCH] Test changes
 
 
 diff --git a/build.gradle.kts b/build.gradle.kts
-index 74ca0d83f207da2e18634e85a6947abc414fc74f..66c49e3d29fa18845d0deb43c91fa45f236d60c5 100644
+index ce176ef04e211b82020fa082b9cb1bdc4769a526..15456e54d8a392e702a30dfb3d06a3f74156dce7 100644
 --- a/build.gradle.kts
 +++ b/build.gradle.kts
 @@ -12,6 +12,7 @@ dependencies {
      implementation("org.apache.logging.log4j:log4j-iostreams:2.19.0") // Paper - remove exclusion
-     implementation("org.ow2.asm:asm:9.3")
-     implementation("org.ow2.asm:asm-commons:9.3") // Paper - ASM event executor generation
+     implementation("org.ow2.asm:asm:9.4")
+     implementation("org.ow2.asm:asm-commons:9.4") // Paper - ASM event executor generation
 +    testImplementation("org.mockito:mockito-core:4.9.0") // Paper - switch to mockito
      implementation("commons-lang:commons-lang:2.6")
      runtimeOnly("org.xerial:sqlite-jdbc:3.36.0.3")