[NumPy] Remove references to deprecated NumPy type aliases.

This change replaces references to a number of deprecated NumPy type aliases (np.bool, np.int, np.float, np.complex, np.object, np.str) with their recommended replacement (bool, int, float, complex, object, str).

NumPy 1.24 drops the deprecated aliases, so we must remove uses before updating NumPy.

PiperOrigin-RevId: 496626719

pybind11_abseil/tests/absl_test.py

@@ -299,7 +299,7 @@ class AbslNumericSpanTest(parameterized.TestCase):
       self.assertEqual(e, 42)
       self.assertEqual(e, 42)
 
 
   @parameterized.named_parameters(
   @parameterized.named_parameters(
-      ('float_numpy', np.zeros(5, dtype=np.float)),
+      ('float_numpy', np.zeros(5, dtype=float)),
       ('two_d_numpy', np.zeros(
       ('two_d_numpy', np.zeros(
           (5, 5), dtype=np.int32)), ('read_only', make_read_only_numpy_array()),
           (5, 5), dtype=np.int32)), ('read_only', make_read_only_numpy_array()),
       ('strided_skip', make_srided_numpy_array(2)),
       ('strided_skip', make_srided_numpy_array(2)),