Deprecate positional out argument in dpnp.minimum and dpnp.maximum

[vlad-perevezentsev]

This PR suggests raising a DeprecationWarning when out is passed positionally to dpnp.minimum and dpnp.maximum.
Align with NumPy 2.4

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[github-actions]

View rendered docs @ https://intelpython.github.io/dpnp/pull/2659/index.html

[coveralls]

coverage: 81.407% (+0.006%) from 81.401%
when pulling 19f0889 on deprecated_out_arg
into 6f6855b on master.

[github-actions]

Array API standard conformance tests for dpnp=0.20.0dev0=py313h509198e_56 ran successfully.
Passed: 1229
Failed: 0
Skipped: 7

[antonwolfy]

It would be better to pass out=out to mitigate that issue rather than muting warning.

[vlad-perevezentsev]

numpy.minimum(q,w,out=())
ValueError: The 'out' tuple must have exactly one entry per ufunc output

numpy.minimum(q,w,out=(1,2))
ValueError: The 'out' tuple must have exactly one entry per ufunc output