Loop over multiple arrays simultaneously

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Loop over multiple arrays and create a new array whose $i^{th}$ element is the concatenation of $i^{th}$ element of each of the given.

For this example, if you are given this array of arrays:

[
  ["a", "b", "c"],
  ["A", "B", "C"],
  [1, 2, 3],
];

the output should be:

["aA1", "bB2", "cC3"];