Updated Upstream (Paper)

Upstream has released updates that appears to apply and compile correctly

Paper Changes:
34e5942b Fix timings task name generation for extreme cases - Fixes #3499
5e3bacbc Ensure ThreadDeath propagates fully - Fixes #3521
9fa6ba26 Optimize Light Engine
dfd3848e Use seed based lookup for Treasure Maps - Fixes lag from carto/sunken maps
74dcb3c9 Revert "Fix enchantment costs (#3519)"
6d72ea16 Fix enchantment costs (#3519)
68cc8d79 Maps shouldn't load chunks (#3518)
e7cf34a0 Fix villager trading demand MC-163962 (#3498)
51f9edf2 Change name and id to get from profile in AsyncPlayerPreLoginEvent (#3511)

patches/server/0048-Implement-lagging-threshold.patch

@@ -1,4 +1,4 @@
-From 27637e65736ed89d854c2693de7352528be84b84 Mon Sep 17 00:00:00 2001
+From 6f7af599f58e6e8229762aef1275a249201fd748 Mon Sep 17 00:00:00 2001
 From: William Blake Galbreath <blake.galbreath@gmail.com>
 Date: Tue, 23 Jul 2019 10:07:16 -0500
 Subject: [PATCH] Implement lagging threshold
@@ -10,7 +10,7 @@ Subject: [PATCH] Implement lagging threshold
  3 files changed, 14 insertions(+)
 
 diff --git a/src/main/java/net/minecraft/server/MinecraftServer.java b/src/main/java/net/minecraft/server/MinecraftServer.java
-index d9407aedbf..5baeb156e1 100644
+index 1d22c2044d..1b2bbb3460 100644
 --- a/src/main/java/net/minecraft/server/MinecraftServer.java
 +++ b/src/main/java/net/minecraft/server/MinecraftServer.java
 @@ -184,6 +184,7 @@ public abstract class MinecraftServer extends IAsyncTaskHandlerReentrant<TickTas
@@ -21,7 +21,7 @@ index d9407aedbf..5baeb156e1 100644
      public final SlackActivityAccountant slackActivityAccountant = new SlackActivityAccountant();
      // Spigot end
  
-@@ -944,6 +945,7 @@ public abstract class MinecraftServer extends IAsyncTaskHandlerReentrant<TickTas
+@@ -951,6 +952,7 @@ public abstract class MinecraftServer extends IAsyncTaskHandlerReentrant<TickTas
                          recentTps[1] = tps5.getAverage();
                          recentTps[2] = tps15.getAverage();
                          // Paper end
@@ -62,5 +62,5 @@ index 64f1190b03..e890a1f815 100644
 +    // Purpur end
  }
 -- 
-2.24.0
+2.26.2