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Correlation via fft implementation (#2203)

* Added keyword `method` to `correlate` function similar to [scipy
correlate](https://docs.scipy.org/doc/scipy/reference/generated/scipy.signal.correlate.html)
* If `method == 'auto'` method is choosing automatically between
`direct` and `fft`
* Added implementation of fft-based correlation
* fft-based implementation may have accuracy issues, so it is validated
in non-standard way.

Depends on: https://github.com/IntelPython/dpnp/pull/2180,
https://github.com/IntelPython/dpnp/pull/2202

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Co-authored-by: Anton <100830759+antonwolfy@users.noreply.github.com>

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