⚠️ Nightly upstream-dev CI failed ⚠️

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Summary of Failures

tests/lax_scipy_special_functions_test.py::LaxScipySpcialFunctionsTest::testGammaSign: AssertionError: 
Not equal to tolerance rtol=1e-05, atol=1e-15

nan location mismatch:
 ACTUAL: array([      nan,       nan,       nan,       nan,       nan,       nan,
             nan,       nan,       nan,       nan,       inf, 1.000e+00,
       1.000e+00, 2.000e+00, 6.000e+00, 2.400e+01, 1.200e+02, 7.200e+02,
       5.040e+03, 4.032e+04])
 DESIRED: array([      inf,       inf,       inf,       inf,       inf,       inf,
             inf,       inf,       inf,       inf,       inf, 1.000e+00,
       1.000e+00, 2.000e+00, 6.000e+00, 2.400e+01, 1.200e+02, 7.200e+02,
       5.040e+03, 4.032e+04])
tests/linalg_test.py::ScipyLinalgTest::testToeplitzConstrcution0: FutureWarning: Beginning in SciPy 1.17, multidimensional input will be treated as a batch, not `ravel`ed. To preserve the existing behavior and silence this warning, `ravel` aruments before passing them to `toeplitz`.
tests/linalg_test.py::ScipyLinalgTest::testToeplitzSymmetricConstruction0: FutureWarning: Beginning in SciPy 1.17, multidimensional input will be treated as a batch, not `ravel`ed. To preserve the existing behavior and silence this warning, `ravel` aruments before passing them to `toeplitz`.

[jakevdp]

The warning is coming up due to changes described in scipy/scipy#21466.

We should anticipate these changes in jax.scipy, implement the new batched semantics, and introduce our own deprecation cycle the old implicit raveling behavior.