compat: extend JLD2 to support v0.6

Author: haakon-e

Project.toml

@@ -1,7 +1,7 @@
 name = "TaylorSeries"
 uuid = "6aa5eb33-94cf-58f4-a9d0-e4b2c4fc25ea"
 repo = "https://github.com/JuliaDiff/TaylorSeries.jl.git"
-version = "0.20.8"
+version = "0.20.9"
 
 [deps]
 LinearAlgebra = "37e2e46d-f89d-539d-b4ee-838fcccc9c8e"
@@ -23,7 +23,7 @@ TaylorSeriesSAExt = "StaticArrays"
 [compat]
 Aqua = "0.8"
 IntervalArithmetic = "0.23, 1"
-JLD2 = "0.5"
+JLD2 = "0.5, 0.6"
 LinearAlgebra = "<0.0.1, 1"
 Markdown = "<0.0.1, 1"
 Random = "1"