Create gates.CY

[renatomello]

This closes #1099 and needs qiboteam/qibojit#158 for numba tests to pass

Checklist:

• Reviewers confirm new code works as expected.
• Tests are passing.
• Coverage does not decrease.
• Documentation is updated.

[stavros11]

Thanks @renatomello. Looks good to me, there is only an issue with tests. Using this and the corresponding branch for qibojit, the following test fails for me

tests/test_gates_density_matrix.py::test_controlled_by_one_qubit_gates[qibojit-numba-Y]

I have not checked what is wrong though. This is on CPU, I did not run on GPU yet.

[Simone-Bordoni]

Also for me it is ok, just fix the issue with the tests

[renatomello]

@stavros11 @Simone-Bordoni I pushed the fix to qiboteam/qibojit#158 and one can test locally that all tests are passing

[stavros11]

Thanks @renatomello, it works for me now. For the CI, you probably need to run poetry lock because you changed the pyproject, however I don't think this is needed as we will revert back to qibojit-main before merging.

I don't remember what we usually do in this situation, but most likely we need to release qibo 0.2.3, bump the dependency on qibojit's pyproject and run poetry lock there.

[renatomello]

Thanks @renatomello, it works for me now. For the CI, you probably need to run poetry lock because you changed the pyproject, however I don't think this is needed as we will revert back to qibojit-main before merging.

I don't remember what we usually do in this situation, but most likely we need to release qibo 0.2.3, bump the dependency on qibojit's pyproject and run poetry lock there.

I reverted back the change

[scarrazza]

@renatomello does the windows failure is expected (due to the missing qibojit release)?

[renatomello]

@renatomello does the windows failure is expected (due to the missing qibojit release)?

Yes

[scarrazza]

Thanks, I will merge this PR as the last one before release.