fix: add support for "ancient" golden dragon skin for pet rarity

Author: Sychic

src/main/kotlin/gg/skytils/skytilsmod/utils/ItemUtil.kt

@@ -28,7 +28,7 @@ import java.util.*
 import kotlin.math.max
 
 object ItemUtil {
-    private val PET_PATTERN = "§7\\[Lvl \\d+] (?<color>§[0-9a-fk-or]).+".toRegex()
+    private val PET_PATTERN = "§7\\[Lvl \\d+](?: §8\\[.*])? (?<color>§[0-9a-fk-or]).+".toRegex()
     const val NBT_INTEGER = 3
     private const val NBT_STRING = 8
     private const val NBT_LIST = 9