[ci skip] Updated Upstream (Paper)

Upstream has released updates that appear to apply and compile correctly

Paper Changes:
PaperMC/Paper@f4f27551 [ci/skip] Clarify BlockFadeEvent#getNewState javadocs (#12250)

Author: granny

gradle.properties

@@ -2,7 +2,7 @@ group = org.purpurmc.purpur
 version = 1.21.4-R0.1-SNAPSHOT
 
 mcVersion = 1.21.4
-paperCommit = 1a7288aa05cfb0a168850a7cc879f55235fe5934
+paperCommit = f4f275519f7c1fbe9db173b7144a4fe81440e365
 
 org.gradle.configuration-cache = true
 org.gradle.caching = true