Updated Upstream (Paper)

Upstream has released updates that appear to apply and compile correctly

Paper Changes:
PaperMC/Paper@0cf73158 Bump to adventure 4.20.0 (#12391)

Author: granny

gradle.properties

@@ -2,7 +2,7 @@ group = org.purpurmc.purpur
 version = 1.21.4-R0.1-SNAPSHOT
 
 mcVersion = 1.21.4
-paperCommit = 9b1798d6438107fdf0d5939b79a8cf71f4d16e2c
+paperCommit = 0cf731589a3b6923542cdfc36dbcee9c47c51076
 
 org.gradle.configuration-cache = true
 org.gradle.caching = true