change tag to 1.5.0 and remove MAT in [deps]

Author: haotian127

Project.toml

@@ -1,7 +1,7 @@
 name = "MultiscaleGraphSignalTransforms"
 uuid = "cc44fc10-d0fb-5545-af72-ba1cb661a341"
 authors = ["Naoki Saito <saito@math.ucdavis.edu>", "Yiqun Shao <shaoyiqun1992@gmail.com>"]
-version = "1.4.0"
+version = "1.5.0"
 
 [deps]
 Arpack = "7d9fca2a-8960-54d3-9f78-7d1dccf2cb97"
@@ -15,7 +15,6 @@ JLD2 = "033835bb-8acc-5ee8-8aae-3f567f8a3819"
 JuMP = "4076af6c-e467-56ae-b986-b466b2749572"
 LightGraphs = "093fc24a-ae57-5d10-9952-331d41423f4d"
 LinearAlgebra = "37e2e46d-f89d-539d-b4ee-838fcccc9c8e"
-MAT = "23992714-dd62-5051-b70f-ba57cb901cac"
 Optim = "429524aa-4258-5aef-a3af-852621145aeb"
 Plots = "91a5bcdd-55d7-5caf-9e0b-520d859cae80"
 QuadGK = "1fd47b50-473d-5c70-9696-f719f8f3bcdc"
@@ -36,7 +35,6 @@ JLD = "0.12.3"
 JLD2 = "0.4.3"
 JuMP = "0.20.0"
 LightGraphs = "1.3.5"
-MAT = "0.8.1"
 Optim = "1.3.0"
 Plots = "1.12.0"
 QuadGK = "2.4.1"