SPIGOT-4880: Potion effects with unknown names.

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

paper-server/src/main/java/org/bukkit/craftbukkit/potion/CraftPotionEffectType.java

@@ -84,6 +84,10 @@ public class CraftPotionEffectType extends PotionEffectType {
             return "CONDUIT_POWER";
         case 30:
             return "DOLPHINS_GRACE";
+        case 31:
+            return "BAD_OMEN";
+        case 32:
+            return "HERO_OF_THE_VILLAGE";
         default:
             return "UNKNOWN_EFFECT_TYPE_" + getId();
         }