CI failing for Windows pytest

[tanujkhattar]

Description of the issue
See https://github.com/quantumlib/Cirq/actions/runs/5578431373/jobs/10192635623?pr=6198

=========================== short test summary info ===========================
FAILED cirq-google/cirq_google/calibration/engine_simulator_test.py::test_with_random_gaussian_sqrt_iswap_simulates_correctly - assert False
 +  where False = <function allclose_up_to_global_phase at 0x0000014D69BA5AB0>(array([ 0.        +0.0000000e+00j,  0.        +0.0000000e+00j,  0.        +0.0000000e+00j, -0.34968054-3.7625067e-02j,... -1.2306079e-02j,  0.        +0.0000000e+00j,  0.        +0.0000000e+00j,  0.        +0.0000000e+00j], dtype=complex64), array([ 0.0000000e+00+0.j        ,  0.0000000e+00+0.j        ,  0.0000000e+00+0.j        , -3.7625063e-02+0.3496805j ,...e-02-0.34322196j,  0.0000000e+00+0.j        ,  0.0000000e+00+0.j        ,  0.0000000e+00+0.j        ], dtype=complex64))
 +    where <function allclose_up_to_global_phase at 0x0000014D69BA5AB0> = cirq.allclose_up_to_global_phase
= 1 failed, 20167 passed, 207 skipped, 92 xfailed, 527 warnings in 786.30s (0:13:06) =

Fix should probably to increase accuracy to np.complex128 or reduce atol ?