[27.x backport]cli/config/credentials: skip saving config-file if credentials didn't change#5569

laurazard merged 3 commits intodocker:27.xdocker/cli:27.xfrom

thaJeztah:27.x_backport_login_idempotentthaJeztah/cli:27.x_backport_login_idempotentCopy head branch name to clipboard