Update to Minecraft 1.15

By: md_5 <git@md-5.net>

paper-server/nms-patches/TileEntityBrewingStand.patch

@@ -92,10 +92,10 @@
 +            // CraftBukkit end
  
              if (flag2 && flag) {
-                 this.s();
+                 this.j();
 @@ -168,6 +224,16 @@
  
-     private void s() {
+     private void j() {
          ItemStack itemstack = (ItemStack) this.items.get(3);
 +        // CraftBukkit start
 +        InventoryHolder owner = this.getOwner();