Merge pull request #13 from JuliaGraphs/compathelper/new_version/2021-02-15-00-08-05-867-2545852227

CompatHelper: bump compat for "JLD2" to "0.4"

Author: bramtayl

Project.toml

@@ -7,7 +7,7 @@ JLD2 = "033835bb-8acc-5ee8-8aae-3f567f8a3819"
 LightGraphs = "093fc24a-ae57-5d10-9952-331d41423f4d"
 
 [compat]
-JLD2 = "0.1.11, 0.2, 0.3"
+JLD2 = "0.1.11, 0.2, 0.3, 0.4"
 LightGraphs = "1.2"
 julia = "1"