fix(nodes): fix constraints/validation for controlnet

- Fix `weight` and `begin_step_percent`, the constraints were mixed up
- Add model validatort to ensure `begin_step_percent < end_step_percent`
- Bump version

invokeai/app/invocations/util.py

@@ -0,0 +1,14 @@
+from typing import Union
+
+
+def validate_weights(weights: Union[float, list[float]]) -> None:
+    """Validate that all control weights in the valid range"""
+    to_validate = weights if isinstance(weights, list) else [weights]
+    if any(i < -1 or i > 2 for i in to_validate):
+        raise ValueError("Control weights must be within -1 to 2 range")
+
+
+def validate_begin_end_step(begin_step_percent: float, end_step_percent: float) -> None:
+    """Validate that begin_step_percent is less than end_step_percent"""
+    if begin_step_percent >= end_step_percent:
+        raise ValueError("Begin step percent must be less than or equal to end step percent")