[3.13] gh-116738: Make `_csv` module thread-safe (GH-118344) (#125328)

gh-116738: Make `_csv` module thread-safe (GH-118344)
(cherry picked from commit a00221e5a70e54a281ba0e2cff8d85cd37ae305f)

Co-authored-by: AN Long <aisk@users.noreply.github.com>