Update sample author email
Update sample author email

Per https://groups.google.com/d/msg/pypa-dev/rUNsfIbruHM/LCEx-CB5AgAJ
the pypa-dev Google Group is now decommissioned.
Taking this opportunity to make the sample author
email address more sensical.

Signed-off-by: Sumana Harihareswara <16795633e2c1543064a3ad70ac3ba71d3d589b3b@changeset.nyc>

pypa/sampleproject