fix(deps): update module github.com/urfave/cli/v2 to v2.27.4

mentioned in commit 69af8c40

mentioned in merge request docker/nginx-ingress!202

mentioned in merge request docker/softether-vpnsrv!195 (merged)

mentioned in merge request docker/seafile-cli!194 (merged)

mentioned in merge request docker/vizier!52 (merged)

mentioned in merge request docker/softether-vpnsrv!197

mentioned in merge request docker/nginx-ingress!204