Add implementation of dpnp.lib.stride_tricks.as_strided

[antonwolfy]

This PR adds a new dpnp.lib namespace and implements dpnp.lib.stride_tricks.as_strided.
The function creates a view into an array with a caller-specified shape and strides, sharing the base array's memory.

It closes #2969.

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[github-actions]

View rendered docs @ https://intelpython.github.io/dpnp/pull/2991/index.html

[coveralls]

coverage: 78.127% (+0.02%) from 78.107% — impl-lib.as_strided into master

[github-actions]

Array API standard conformance tests for dpnp=0.21.0dev2=py313h509198e_18 ran successfully.
Passed: 1372
Failed: 3
Skipped: 5