Updated Upstream (Paper)

Upstream has released updates that appear to apply and compile correctly

Paper Changes:
PaperMC/Paper@1654175 [ci skip] Update performance problem issue template to account for new config formats (#7967)
PaperMC/Paper@b844286 Fix command signs patch update (#7976)
PaperMC/Paper@cb410bb [ci skip] Update CONTRIBUTING.md for config changes (#7977)
PaperMC/Paper@48f7a1a Add WardenAngerChangeEvent (#7943)

gradle.properties

@@ -1,7 +1,7 @@
 group = org.purpurmc.purpur
 version = 1.19-R0.1-SNAPSHOT
 
-paperCommit = 3d37b42a89db7af2dd367861fa66c28b9e4aae97
+paperCommit = 48f7a1a9ef14511efb341c145c664a5a47f1f595
 
 org.gradle.caching = true
 org.gradle.parallel = true

patches/server/0006-Fix-decompile-errors.patch

@@ -79,19 +79,6 @@ index ac75c54e897565e340b66823caeed92ba1d1641a..769e4fbaac01a4fe3a45bd9cab5c63b6
 +        return (Brain<PiglinBrute>) super.getBrain(); // Purpur - decompile error
      }
  
-     @Override
-diff --git a/src/main/java/net/minecraft/world/entity/monster/warden/Warden.java b/src/main/java/net/minecraft/world/entity/monster/warden/Warden.java
-index 60410fd12e0fcfbaad3b4dc431452f8b2e6276c7..4366f7ff095c79a1f4444a27198f2613eb01fdc2 100644
---- a/src/main/java/net/minecraft/world/entity/monster/warden/Warden.java
-+++ b/src/main/java/net/minecraft/world/entity/monster/warden/Warden.java
-@@ -361,7 +361,7 @@ public class Warden extends Monster implements VibrationListener.VibrationListen
- 
-     @Override
-     public Brain<Warden> getBrain() {
--        return super.getBrain();
-+        return (Brain<Warden>) super.getBrain(); // Purpur - decompile error
-     }
- 
      @Override
 diff --git a/src/main/java/net/minecraft/world/level/block/Blocks.java b/src/main/java/net/minecraft/world/level/block/Blocks.java
 index 5dc3605fed7fb2ff8cc6c965d1bf99c462e0b14a..bcc1ce196c1dbf60cf6ae73d95766dc41ed22012 100644