Updated Upstream (Paper)

Upstream has released updates that appear to apply and compile correctly

Paper Changes:
PaperMC/Paper@1c15111 Add missing particle javadocs (#9716)
PaperMC/Paper@eea0c64 Swap some nullable annotations (#9696)
PaperMC/Paper@e68fd71 Add missing Piglin Dancing API (#8894)
PaperMC/Paper@6378792 Add Barrel to LootableBlockInventory (#9687)
PaperMC/Paper@7145f41 compression level change with config option (#9711)
PaperMC/Paper@29d1c7b Call BlockRedstoneEvents for lecterns (#9721)

gradle.properties

@@ -2,7 +2,7 @@ group = org.purpurmc.purpur
 version = 1.20.1-R0.1-SNAPSHOT
 
 mcVersion = 1.20.1
-paperCommit = 517f8fbbac2467fb24fa87d6bd56ce5c1b9bc972
+paperCommit = 29d1c7b60244bb002d29a5dcfc9c995019f550ab
 
 org.gradle.caching = true
 org.gradle.parallel = true