feat(fork criteria): Index upcoming forks for better ordering / fix issues

Author: fselmo

src/ethereum/amsterdam/__init__.py

@@ -4,4 +4,4 @@
 
 from ethereum.fork_criteria import Unscheduled
 
-FORK_CRITERIA = Unscheduled()
+FORK_CRITERIA = Unscheduled(order_index=1)  # scheduled after Osaka

src/ethereum/fork_criteria.py

@@ -188,8 +188,8 @@ class Unscheduled(ForkCriteria):
     Forks that have not been scheduled.
     """
 
-    def __init__(self) -> None:
-        self._internal = (ForkCriteria.UNSCHEDULED, 0)
+    def __init__(self, order_index: int = 0) -> None:
+        self._internal = (ForkCriteria.UNSCHEDULED, order_index)
 
     @override
     def check(self, block_number: Uint, timestamp: U256) -> Literal[False]: