Array API 2023 tracking issue

[tomwhite]

This issue tracks the work needed to support Python array API standard v2023.12.

The changes from the previous version are listed here: https://data-apis.org/array-api/2023.12/changelog.html#v2023-12

New array functions

elemwise

These should be straightforward to add.

• [x] clip
• [x] copysign
• [x] hypot
• [x] maximum
• [x] minimum
• [x] signbit

manipulation

• [x] repeat
• [x] tile
• [x] unstack

searching

• [x] searchsorted

statistical

• [ ] cumulative_sum
  • https://github.com/cubed-dev/cubed/issues/277

Inspection APIs

• [x] __array_namespace_info__