Added a note that new releases will be tagged as `vX.Y.Z` instead of `pypi-vX.Y.Z` in the git repo going forward.
Added a note that new releases will be tagged as `vX.Y.Z` instead of `pypi-vX.Y.Z` in the git repo going forward.

PiperOrigin-RevId: 408716469
Change-Id: I95d0945554567f18b29d5a21971ded6d46abdb83

abseil/abseil-py,abseil/abseil-py