chore(deps): update dawidd6/action-download-artifact action to v13

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
dawidd6/action-download-artifact	action	major	v12 → v13

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Release Notes

dawidd6/action-download-artifact (dawidd6/action-download-artifact)

v13

Compare Source

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Configuration

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[github-actions]

GNU testsuite comparison:

Skipping an intermittent issue tests/shuf/shuf-reservoir (passes in this run but fails in the 'main' branch)
Skipping an intermittent issue tests/sort/sort-stale-thread-mem (passes in this run but fails in the 'main' branch)
Skipping an intermittent issue tests/tail/inotify-dir-recreate (passes in this run but fails in the 'main' branch)
Congrats! The gnu test tests/basenc/bounded-memory is now passing!