[3.10] gh-93353: Fix importlib.resources._tempfile() finalizer (GH-93377) #93780
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Fix the importlib.resources.as_file() context manager to remove the
temporary file if destroyed late during Python finalization: keep a
local reference to the os.remove() function. Patch by Victor Stinner.
(cherry picked from commit 443ca73)
Co-authored-by: Victor Stinner vstinner@python.org