Exported data types, finfo and iinfo symbols

[oleksandr-pavlyk]

This PR adds data type objects to dpct.tensor namespace, specifically

dpctl.tensor.bool
dpctl.tensor.int8
dpctl.tensor.uint8
dpctl.tensor.int16
dpctl.tensor.uint16
dpctl.tensor.int32
dpctl.tensor.uint32
dpctl.tensor.int64
dpctl.tensor.uint64
dpctl.tensor.float16
dpctl.tensor.float32
dpctl.tensor.float64
dpctl.tensor.complex64
dpctl.tensor.complex128

This also adds dpctl.tensor.iinfo and dpctl.tensor.finfo. These are directly imported from numpy.

• 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?
• If this PR is a work in progress, are you filing the PR as a draft?

[github-actions]

View rendered docs @ https://intelpython.github.io/dpctl/pulls/913/index.html

[coveralls]

Coverage increased (+0.02%) to 82.136% when pulling 21a6aaa on add-dtypes-and-infos into 8cbed99 on master.

[github-actions]

Array API standard conformance tests for dpctl=0.14.0dev0=py310h8c27c75_118 ran successfully.
Passed: 28
Failed: 806
Skipped: 3157

[github-actions]

Array API standard conformance tests for dpctl=0.14.0dev0=py310h8c27c75_121 ran successfully.
Passed: 22
Failed: 812
Skipped: 3157

[github-actions]

Array API standard conformance tests for dpctl=0.14.0dev0=py310h8c27c75_123 ran successfully.
Passed: 22
Failed: 812
Skipped: 3157

[github-actions]

Array API standard conformance tests for dpctl=0.14.0dev0=py310h8c27c75_124 ran successfully.
Passed: 31
Failed: 803
Skipped: 3157

[github-actions]

Array API standard conformance tests for dpctl=0.14.0dev0=py310h8c27c75_145 ran successfully.
Passed: 32
Failed: 802
Skipped: 3157

[github-actions]

Array API standard conformance tests for dpctl=0.14.0dev0=py310h8c27c75_150 ran successfully.
Passed: 32
Failed: 802
Skipped: 3157

[oleksandr-pavlyk]

This PR looks good to me. @npolina4 if you approve this, we can merge it.

[github-actions]

Array API standard conformance tests for dpctl=0.14.0dev0=py310h8c27c75_163 ran successfully.
Passed: 33
Failed: 801
Skipped: 3138

[github-actions]

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

[github-actions]

Array API standard conformance tests for dpctl=0.14.0dev0=py310h8c27c75_163 ran successfully.
Passed: 33
Failed: 801
Skipped: 3138