DeepSpeed

b51d15b3 - Update version.txt after 0.12.2 release (#4617)

Update version.txt after 0.12.2 release (#4617) **Auto-generated PR to update version.txt after a DeepSpeed release** Released version - 0.12.2 Author - @jeffra Co-authored-by: jeffra <jeffra@users.noreply.github.com>