fix(gitlab-ci): add `docker` dep to deploy target

Signed-off-by: Kevin Morris <kevr@0cost.org>

.gitlab-ci.yml

@@ -58,7 +58,7 @@ deploy:
     COMMIT_HASH: $CI_COMMIT_SHA
     GIT_DATA_DIR: git_data
   script:
-    - pacman -Syu --noconfirm docker-compose socat openssh
+    - pacman -Syu --noconfirm docker docker-compose socat openssh
     - chmod 600 ${SSH_KEY}
     - socat "UNIX-LISTEN:/tmp/docker.sock,reuseaddr,fork" EXEC:"ssh -o UserKnownHostsFile=${SSH_KNOWN_HOSTS} -Ti ${SSH_KEY} ${SSH_USER}@${SSH_HOST}" &
     - export DOCKER_HOST="unix:///tmp/docker.sock"