[3.13] gh-129098: avoid using content of `_pyrepl/__main__.py` when reporting tracebacks (GH-130721) (#132755)

gh-129098: avoid using content of `_pyrepl/__main__.py` when reporting tracebacks (GH-130721)
(cherry picked from commit 492e3e6976d05b8de1892c37c900ada23eaeaf06)

Co-authored-by: Bénédikt Tran <10796600+picnixz@users.noreply.github.com>