FIX version of rand_distr in numeric-tests

Author: bluss

numeric-tests/Cargo.toml

@@ -8,7 +8,7 @@ publish = false
 approx = "0.4"
 ndarray = { path = "..", features = ["approx"] }
 ndarray-rand = { path = "../ndarray-rand/" }
-rand_distr = "0.2.1"
+rand_distr = "0.3"
 
 [dependencies.rand]
 version = "0.7.0"