vendor: update docker/cli (ab688a9a79a1) and docker/docker (3998dffb806f)

Signed-off-by: Tibor Vass <tibor@docker.com>

vendor/github.com/docker/cli/AUTHORS

@@ -58,6 +58,7 @@ Anton Polonskiy <anton.polonskiy@gmail.com>
 Antonio Murdaca <antonio.murdaca@gmail.com>
 Antonis Kalipetis <akalipetis@gmail.com>
 Anusha Ragunathan <anusha.ragunathan@docker.com>
+Ao Li <la9249@163.com>
 Arash Deshmeh <adeshmeh@ca.ibm.com>
 Arnaud Porterie <arnaud.porterie@docker.com>
 Ashwini Oruganti <ashwini.oruganti@gmail.com>
@@ -158,6 +159,7 @@ David Cramer <davcrame@cisco.com>
 David Dooling <dooling@gmail.com>
 David Gageot <david@gageot.net>
 David Lechner <david@lechnology.com>
+David Scott <dave@recoil.org>
 David Sheets <dsheets@docker.com>
 David Williamson <david.williamson@docker.com>
 David Xia <dxia@spotify.com>
@@ -300,6 +302,7 @@ Jim Galasyn <jim.galasyn@docker.com>
 Jimmy Leger <jimmy.leger@gmail.com>
 Jimmy Song <rootsongjc@gmail.com>
 jimmyxian <jimmyxian2004@yahoo.com.cn>
+Jintao Zhang <zhangjintao9020@gmail.com>
 Joao Fernandes <joao.fernandes@docker.com>
 Joe Doliner <jdoliner@pachyderm.io>
 Joe Gordon <joe.gordon0@gmail.com>
@@ -471,9 +474,11 @@ Mrunal Patel <mrunalp@gmail.com>
 muicoder <muicoder@gmail.com>
 Muthukumar R <muthur@gmail.com>
 Máximo Cuadros <mcuadros@gmail.com>
+Mårten Cassel <marten.cassel@gmail.com>
 Nace Oroz <orkica@gmail.com>
 Nahum Shalman <nshalman@omniti.com>
 Nalin Dahyabhai <nalin@redhat.com>
+Nao YONASHIRO <owan.orisano@gmail.com>
 Nassim 'Nass' Eddequiouaq <eddequiouaq.nassim@gmail.com>
 Natalie Parker <nparker@omnifone.com>
 Nate Brennand <nate.brennand@clever.com>
@@ -595,7 +600,7 @@ Spencer Brown <spencer@spencerbrown.org>
 squeegels <1674195+squeegels@users.noreply.github.com>
 Srini Brahmaroutu <srbrahma@us.ibm.com>
 Stefan S. <tronicum@user.github.com>
-Stefan Scherer <scherer_stefan@icloud.com>
+Stefan Scherer <stefan.scherer@docker.com>
 Stefan Weil <sw@weilnetz.de>
 Stephane Jeandeaux <stephane.jeandeaux@gmail.com>
 Stephen Day <stevvooe@gmail.com>
@@ -605,7 +610,9 @@ Steve Richards <steve.richards@docker.com>
 Steven Burgess <steven.a.burgess@hotmail.com>
 Subhajit Ghosh <isubuz.g@gmail.com>
 Sun Jianbo <wonderflow.sun@gmail.com>
+Sune Keller <absukl@almbrand.dk>
 Sungwon Han <sungwon.han@navercorp.com>
+Sunny Gogoi <indiasuny000@gmail.com>
 Sven Dowideit <SvenDowideit@home.org.au>
 Sylvain Baubeau <sbaubeau@redhat.com>
 Sébastien HOUZÉ <cto@verylastroom.com>