[27.x backport] move parsing key-value files to a separate package#5503

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

austinvazquez:cherry-pick-9ecfe4f5a7634d9c375ffce1a273c421f2df716c-to-27.xaustinvazquez/docker-cli:cherry-pick-9ecfe4f5a7634d9c375ffce1a273c421f2df716c-to-27.xCopy head branch name to clipboard