bump version (facebookresearch#4466)

Release v1.5.1 (facebookresearch#4078)

Bump to version v1.5.0 (facebookresearch#3977)

release 1.4.1 (facebookresearch#3849)

bump release version (facebookresearch#3843)

[version] Bump to v1.3.0. (facebookresearch#3766)

[release] Bump to version v1.2.0 (facebookresearch#3619)

Fix bug introduced by killing APEX (facebookresearch#3532)

wiz metrics (facebookresearch#3503)

wiz metrics (facebookresearch#3503)