CompatHelper: bump compat for JLD2 to 0.6, (keep existing compat)

Author: CompatHelper Julia

Project.toml

@@ -65,7 +65,7 @@ GLM = "1"
 ImageTransformations = "0.9,0.10"
 Interpolations = "0.15, 0.16"
 IterativeSolvers = "0.9"
-JLD2 = "0.5"
+JLD2 = "0.5, 0.6"
 Krylov = "0.9, 0.10"
 LinearAlgebra = "1"
 Logging = "1"