CompatHelper: bump compat for TestSetExtensions in [extras] to 4, (keep existing compat)#501

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compathelper/new_version/2026-03-11-00-13-31-569-01137824556SciML/StructuralIdentifiability.jl:compathelper/new_version/2026-03-11-00-13-31-569-01137824556Copy head branch name to clipboard