CompatHelper: bump compat for DataStructures to 0.19, (keep existing compat)#80

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compathelper/new_version/2025-08-02-01-15-16-931-03859531100DanielDoehring/Trixi.jl:compathelper/new_version/2025-08-02-01-15-16-931-03859531100Copy head branch name to clipboard