gh-119185: Fix typo in _pyrepl.pager: tempfilepager should be tempfile_pager (#118881)

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

The name with no underscore doesn't exist.

Author: Sachaa-Thanasius

Lib/_pyrepl/pager.py

@@ -35,7 +35,7 @@ def get_pager() -> Pager:
     if os.environ.get('TERM') in ('dumb', 'emacs'):
         return plain_pager
     if sys.platform == 'win32':
-        return lambda text, title='': tempfilepager(plain(text), 'more <')
+        return lambda text, title='': tempfile_pager(plain(text), 'more <')
     if hasattr(os, 'system') and os.system('(less) 2>/dev/null') == 0:
         return lambda text, title='': pipe_pager(text, 'less', title)