[3.14] gh-140938: Raise ValueError for infinite inputs to stdev/pstdev (GH-141531...

[3.14] gh-140938: Raise ValueError for infinite inputs to stdev/pstdev (GH-141531) (#141575)

gh-140938: Raise ValueError for infinite inputs to stdev/pstdev (GH-141531)

Raise ValueError for infinite inputs to stdev/pstdev
(cherry picked from commit f0a8bc737ab2f04d4196eee154cb1e17e26ad585)

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Co-authored-by: Raymond Hettinger <rhettinger@users.noreply.github.com>
Co-authored-by: Gregory P. Smith <68491+gpshead@users.noreply.github.com>
Co-authored-by: Bénédikt Tran <10796600+picnixz@users.noreply.github.com>