While#12711 was merged, it seems like there's a separate issue worth tracking around adding translation tests for argparse (see#12711 (comment))

Linked PRs

• gh-124295: Add translation tests for argparse #124803
• [3.13] gh-124295: Add translation tests for argparse (GH-124803) #126046
• gh-124295: Skip translation tests when pygettext is missing #126051
• [3.12] gh-124295: Add translation tests for argparse (GH-124803) (GH-126046) #126054