Fix typo in `_pyrepl.pager`: `tempfilepager` should be `tempfile_pager`

[Sachaa-Thanasius]

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The function name has an underscore. Without this, calling help can cause an exception.

Should be reproducible by calling help() in the repl on windows. I personally found it by calling it on sysconfig.get_config_var.

Doesn’t seem worthy of a news entry.

[cpython-cla-bot[bot]]

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[bedevere-app[bot]]

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[bedevere-app[bot]]

Most changes to Python require a NEWS entry. Add one using the blurb_it web app or the blurb command-line tool.

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[miss-islington-app[bot]]

Thanks @Sachaa-Thanasius for the PR, and @JelleZijlstra for merging it 🌮🎉.. I'm working now to backport this PR to: 3.13. 🐍🍒⛏🤖

[bedevere-app[bot]]

GH-119211 is a backport of this pull request to the 3.13 branch.