Use sudo with Docker commands

scripts/.local/bin/update.sh

@@ -24,10 +24,10 @@ command -v rustup >/dev/null 2>&1 &&
 command -v nvim >/dev/null 2>&1 &&
     { echo; nvim --headless +PlugUpdate +PlugUpgrade +qa; echo; }
 command -v docker >/dev/null 2>&1 &&
-    [ "$(docker images | wc -l)" -gt 1 ] &&
-    { echo; docker images |
+    [ "$(sudo docker images | wc -l)" -gt 1 ] &&
+    { echo; sudo docker images |
         awk '(NR>1) && ($2!~/none/) {print $1":"$2}' |
-        xargs -l docker pull; }
+        xargs -l sudo docker pull; }
 
 echo
 zsh -ic "antidote update && echo && git -C $(dirname -- "$(readlink -e "$0")") pull"