committing changes in /etc made by "apt-get install -y -qq --no-install-recommends docker-ce"

Package changes:
+containerd.io 1.4.4-1 armhf
+docker-ce 5:20.10.5~3-0~raspbian-buster armhf
+docker-ce-cli 5:20.10.5~3-0~raspbian-buster armhf

gshadow-

@@ -2,7 +2,7 @@ root:*::
 daemon:*::
 bin:*::
 sys:*::
-adm:*::pi,ariane
+adm:*::ariane
 tty:*::
 disk:*::
 lp:*::
@@ -12,14 +12,14 @@ uucp:*::
 man:*::
 proxy:*::
 kmem:*::
-dialout:*::pi,ariane
+dialout:*::ariane
 fax:*::
 voice:*::
-cdrom:*::pi,ariane
+cdrom:*::ariane
 floppy:*::
 tape:*::
-sudo:*::pi,ariane
-audio:*::pi,ariane
+sudo:*::ariane
+audio:*::ariane
 dip:*::
 www-data:*::
 backup:*::
@@ -30,29 +30,28 @@ src:*::
 gnats:*::
 shadow:*::
 utmp:*::
-video:*::pi,ariane
+video:*::ariane
 sasl:*::
-plugdev:*::pi,ariane
+plugdev:*::ariane
 staff:*::
-games:*::pi,ariane
-users:*::pi,ariane
+games:*::ariane
+users:*::ariane
 nogroup:*::
 systemd-journal:!::
 systemd-timesync:!::
 systemd-network:!::
 systemd-resolve:!::
-input:!::pi,ariane
+input:!::ariane
 kvm:!::
 render:!::
 crontab:!::
-netdev:!::pi,ariane
-pi:!::
+netdev:!::ariane
 messagebus:!::
 ssh:!::
 bluetooth:!::
 avahi:!::
-spi:!::pi,ariane
-i2c:!::pi,ariane
-gpio:!::pi,ariane
+spi:!::ariane
+i2c:!::ariane
+gpio:!::ariane
 systemd-coredump:!!::
 ariane:!::