Median 1d via sycl kernel

[AlexanderKalistratov]

Draft PR for median implementation.

• sycl kernels added, but cleanup is needed
• kernels are not used in python yet
• tests need to be added

• [ ] Have you provided a meaningful PR description?
• [ ] Have you added a test, reproducer or referred to an issue with a reproducer?
• [ ] Have you tested your changes locally for CPU and GPU devices?
• [ ] Have you made sure that new changes do not introduce compiler warnings?
• [ ] Have you checked performance impact of proposed changes?
• [ ] Have you added documentation for your changes, if necessary?
• [ ] Have you added your changes to the changelog?

[github-actions[bot]]

View rendered docs @ https://intelpython.github.io/dpnp/pull/2423/index.html

[coveralls]

coverage: 70.513% (-1.8%) from 72.271% when pulling 7ed9c7e8a38bcb2fb1ba54e1f945b1edf9e1ef77 on median into 4c5970b2bc9f354d48ad6029c06567724b941f8e on master.

[github-actions[bot]]

Array API standard conformance tests for dpnp=0.18.0rc1=py312h852cfe9_17 ran successfully. Passed: 1231 Failed: 0 Skipped: 9