gh-132631: Fix "I/O operation on closed file" when parsing JSON Lines file

[hugovk]

❯ cat input.jsonl
{"ingredients":["frog", "water", "chocolate", "glucose"]}
{"ingredients":["chocolate","steel bolts"]}

Before

❯ ./python.exe -m json --json-lines input.jsonl
I/O operation on closed file.

After

❯ ./python.exe -m json --json-lines input.jsonl
{
    "ingredients": [
        "frog",
        "water",
        "chocolate",
        "glucose"
    ]
}
{
    "ingredients": [
        "chocolate",
        "steel bolts"
    ]
}

• Issue: JSON CLI: I/O operation on closed file" when parsing JSON Lines file #132631

[python-cla-bot]

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[github-actions]

This PR is stale because it has been open for 30 days with no activity.

[miss-islington-app]

Thanks @hugovk for the PR 🌮🎉.. I'm working now to backport this PR to: 3.13, 3.14.
🐍🍒⛏🤖

[bedevere-app]

GH-148921 is a backport of this pull request to the 3.14 branch.

[bedevere-app]

GH-148922 is a backport of this pull request to the 3.13 branch.