Update docker-lib.sh for CLI changes

Update docker-lib.sh to deal with the latest docker CLI changes.

See gh-15158

ci/images/docker-lib.sh

@@ -65,7 +65,7 @@ start_docker() {
     server_args="${server_args} -g=$3"
   fi
 
-  docker daemon --data-root /scratch/docker ${server_args} >/tmp/docker.log 2>&1 &
+  dockerd --data-root /scratch/docker ${server_args} >/tmp/docker.log 2>&1 &
   echo $! > /tmp/docker.pid
 
   trap stop_docker EXIT