v2023.12 Array API compliance

[adityagoel4512]

(Ported this issue over since there are a few outstanding tasks).

The v2023.12 iteration of the Array API standard was recently released (changelog).

The following changes to ndonnx will be required:

• Add __array_namespace_info__
• Move clip from additional namespace to main one.
• Move cumsum from additional namespace to the main one and rename to cumulative_sum.
• Move searchsorted from additional namespace to main one.
• Add maximum.
• Add minimum.
• Add signbit.
• Add unstack.
• Add repeat.
• Add tensordot.
• Add moveaxis.
• Add tile.
• Add hypot.

We are also missing linalg support.

It looks like ndonnx already satisfies the clarifications to the specification, including the most urgent ones motivated by the ONNX use case in the first place like raising in intrinsically eager functions like __bool__.

[crusaderky]

ndonnx doesn't define .device and .to_device; the tests for them are XFAILed.
Workaround: data-apis/array-api-compat#232