Add keep-backport-label in cherry_pick script#15680

Merged

ChrsMark merged 3 commits intoelastic:masterfrom

ChrsMark:optional_remove_backport_label

Jan 23, 2020

Commits on Jan 20, 2020

Make needs_backport label removal optional when backporting PRs
ChrsMark
committed

Commits on Jan 21, 2020