AttributeError: np.cast was removed in NumPy 2.0

[sum1elf]

Describe the bug
When using tf2onnx with TensorFlow 2.18 and NumPy 2.0.2, an AttributeError occurs due to the removal of np.cast in NumPy 2.0. The error message is as follows:
File "site-packages/tf2onnx/tfonnx.py", line 77, in rewrite_constant_fold "Cast": np.cast, AttributeError: np.cast was removed in the NumPy 2.0 release. Use np.asarray(arr, dtype=dtype) instead.

System information

• OS Platform and Distribution: Ubuntu 22.04.5 LTS
• TensorFlow Version: 2.18
• tf2onnx Version: 2.16.1
• Python version: 3.10.12

To Reproduce

1. Install TensorFlow 2.18 and tf2onnx 1.16.1.
2. Ensure NumPy above 2.0 is installed.
3. Run a script that uses tf2onnx.

[LoreBadTime]

Hello, i did a dirty fix to resolve the issue(when I tested it I had no problems afterwards), just check my pull (sorry, i closed it when I deleted my forked repo, but you can still see the modifications)