Updated Upstream (Paper)

Upstream has released updates that appear to apply and compile correctly

Paper Changes:
PaperMC/Paper@6b0b29a9 Update publishing endpoint
PaperMC/Paper@f6fabc5f Call EntityChangeBlockEvent for copper golem statue changes (#13090)
PaperMC/Paper@1d6ee7db Update adventure
PaperMC/Paper@404e49fd Update to 1.21.9-rc1
PaperMC/Paper@40552742 Fix empty SkinPatch initialization and swapped dynamic/static heuristic in ResolvableProfile build method

purpur-server/minecraft-patches/sources/net/minecraft/world/level/block/NetherPortalBlock.java.patch

@@ -3,7 +3,7 @@
 @@ -67,7 +_,7 @@
      protected void randomTick(BlockState state, ServerLevel level, BlockPos pos, RandomSource random) {
          if (level.spigotConfig.enableZombiePigmenPortalSpawns && level.dimensionType().natural() // Spigot
-             && level.getGameRules().getBoolean(GameRules.RULE_DOMOBSPAWNING)
+             && level.isSpawningMonsters()
 -            && random.nextInt(2000) < level.getDifficulty().getId()
 +            && random.nextInt(level.purpurConfig.piglinPortalSpawnModifier) < level.getDifficulty().getId() // Purpur - Piglin portal spawn modifier
              && level.anyPlayerCloseEnoughForSpawning(pos)) {