Ignore future scipy warning and not treat it as an error

(cherry picked from commit b3dc617703da1693bd895229bb4d28326275f7be)

Author: Ruturaj4

tests/linalg_test.py

@@ -2027,6 +2027,7 @@ def testSqrtmEdgeCase(self, diag, expected, dtype):
 
     self.assertAllClose(root, expected, check_dtypes=False)
 
+  @jtu.ignore_warning(category=FutureWarning, message="Don't treat future SciPy warning as error")
   @jtu.sample_product(
     cshape=[(), (4,), (8,), (4, 7), (2, 1, 5)],
     cdtype=float_types + complex_types,