Output of searchsorted must always have default indexing data type

[oleksandr-pavlyk]

Output of tensor.searchsorted must always have default indexing data type.

This is mandated by array API specification

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[github-actions]

Deleted rendered PR docs from intelpython.github.com/dpctl, latest should be updated shortly. 🤞

[coveralls]

coverage: 87.832%. remained the same
when pulling f92bfc4 on searchsorted-always-return-indexing-type
into f3caaa1 on master.

[github-actions]

Array API standard conformance tests for dpctl=0.17.0dev0=py310h15de555_139 ran successfully.
Passed: 906
Failed: 0
Skipped: 94

[ndgrigorian]

Good catch @oleksandr-pavlyk , I missed it when I read the spec. LGTM!

[oleksandr-pavlyk]

Good catch @oleksandr-pavlyk

@antonwolfy pointed this out while running dpnp test suite.

[antonwolfy]

Thank you @oleksandr-pavlyk, the tests work fine now,