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Hi @LukasBoll , thanks for your pull request :)
I like the general approach of making the array translations available in a typed way.
Please have a look at the inline comments. They are mainly about namings to make things more clear.

Also, testing that translations are properly applied is pretty inconvenient right now. I suggest adding an additional example similar to packages/examples/src/examples/arrays.ts.
The new example could be named Array (i18n)
You can leave out the non-array property and probably do not need the actions to toggle sorting. Instead, the sorting buttons should be shown in the new example to allow checking their aria labels.