CompatHelper: bump compat for JLD2 to 0.6, (keep existing compat) (#1403)

Co-authored-by: CompatHelper Julia <compathelper_noreply@julialang.org>

Author: github-actions[bot]

Project.toml

@@ -39,7 +39,7 @@ Binutils_jll = "2"
 Downloads = "1"
 GitHub = "5.1"
 HTTP = "0.8, 0.9, 1"
-JLD2 = "0.1.6, 0.2, 0.3, 0.4, 0.5"
+JLD2 = "0.1.6, 0.2, 0.3, 0.4, 0.5, 0.6"
 JLLWrappers = "1.2.0"
 JSON = "0.21, 1"
 LoggingExtras = "0.4, 1"