Why is the checkout version 1?

[ryuichi1208]

https://github.com/TheAlgorithms/Python/blob/master/.github/workflows/directory_writer.yml#L9

Why is the checkout version 1? The latest version is 2.

https://github.com/actions/checkout/releases

[dhruval-tech]

Assign this issue to me, I've already implemented .

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[stale]

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