Updated Upstream (Bukkit/CraftBukkit/Spigot)

Upstream has released updates that appears 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:
5b680f0b Note maximum objective score length in documentation

CraftBukkit Changes:
5932f8a7 Load default world spawn areas in consistent order
3a5dc78f Fix confusing migration message appearing on fresh server
516a408f Remove redundant CraftBukkit change for secondary world data
73a2c749 Process conversation input on the main thread.
100c3f07 Cap Objective Score Length
6e842759 Cross World Entity Teleportation
7deba1c6 Check for blank OfflinePlayer Names
f2746a5e Descriptive kick reasons instead of Nope!
b0212308 Cap Channel Registrations
a610dcd8 Identify CraftScheduler threads with useful names

Spigot Changes:
19c3c5a5 Rebuild patches

Spigot-Server-Patches/Chunk-Save-Reattempt.patch

@@ -6,7 +6,7 @@ Subject: [PATCH] Chunk Save Reattempt
 We commonly have "Stream Closed" errors on chunk saving, so this code should re-try to save the chunk in the event of failure and hopefully prevent rollbacks.
 
 diff --git a/src/main/java/net/minecraft/server/RegionFile.java b/src/main/java/net/minecraft/server/RegionFile.java
-index 5b48bb0b7..9299ab56a 100644
+index 5b48bb0b7..ecb9c4e0f 100644
 --- a/src/main/java/net/minecraft/server/RegionFile.java
 +++ b/src/main/java/net/minecraft/server/RegionFile.java
 @@ -0,0 +0,0 @@ public class RegionFile {
@@ -15,7 +15,7 @@ index 5b48bb0b7..9299ab56a 100644
          } catch (IOException ioexception) {
 -            ioexception.printStackTrace();
 -            ServerInternalException.reportInternalException(ioexception); // Paper
-+            org.spigotmc.SneakyThrow.sneaky(ioexception); // Paper - we want the upper try/catch to retry this
++            com.destroystokyo.paper.util.SneakyThrow.sneaky(ioexception); // Paper - we want the upper try/catch to retry this
          }
  
      }