Update interface version for 26.2 (#461)

Author: gentlegiantJGC

amulet/level/interfaces/chunk/anvil/anvil_3463.py

@@ -13,7 +13,7 @@ def __init__(self):
 
     @staticmethod
     def minor_is_valid(key: int):
-        return 3454 <= key <= 4800
+        return 3454 <= key <= 4950
 
 
 export = Anvil3463Interface