update teaxyz/cli on docker invocation (#88)

* docker image pull

* fix shellcheck

Author: jhheider

bin/pkg

@@ -5,7 +5,7 @@ set -e
 if test -z "$1"; then
   echo available commands:
   echo
-  ls bin | grep -E '^pkg-[^[:space:]]+$' | sed 's/^pkg-/pkg /'
+  find bin -type f | sed -ne 's/^pkg-/pkg /p'
   exit 1
 fi
 

bin/pkg-docker

@@ -32,6 +32,8 @@ else
   ADDARGS="$ADDARGS"" --interactive --tty --workdir /root/pantry"
 fi
 
+docker image pull teaxyz/cli
+
 docker run \
   --name brewkit.tea.xyz \
   --rm \