Improve linspace implementation with non-scalar inputs

[antonwolfy]

The PR closes #2084.

This PR improves implementation of dpnp.linspace function aligning it with the latest changes added to NumPy.
The tests coverage is also extended to verify more use cases.

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• Have you added a test, reproducer or referred to an issue with a reproducer?
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• Have you made sure that new changes do not introduce compiler warnings?
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[github-actions]

View rendered docs @ https://intelpython.github.io/dpnp/pull/2712/index.html

[github-actions]

Array API standard conformance tests for dpnp=0.20.0dev1=py313h509198e_31 ran successfully.
Passed: 1229
Failed: 0
Skipped: 7

[coveralls]

coverage: 81.43% (+0.001%) from 81.429%
when pulling a47fe5a on resolve-gh-2084
into 225b0db on master.