CompatHelper: bump compat for JLD2 in [weakdeps] to 0.6, (keep existing compat) (#1134)

Author: github-actions[bot]

Project.toml

@@ -100,7 +100,7 @@ GeometryOptimization = "0.1.3"
 Interpolations = "0.14, 0.15, 0.16"
 IntervalArithmetic = "0.20"
 IterTools = "1"
-JLD2 = "0.4, 0.5"
+JLD2 = "0.4, 0.5, 0.6"
 JSON3 = "1"
 KrylovKit = "0.8.3, 0.9, 0.10"
 Libxc = "0.3.17"