Fix quoting of exec argument in the entrypoint script

Author: jhujhiti

docker/docker-entrypoint.sh

@@ -68,6 +68,4 @@ echo "✅ Initialisation is done."
 
 # Launch whatever is passed by docker
 # (i.e. the RUN instruction in the Dockerfile)
-#
-# shellcheck disable=SC2068
-exec $@
+exec "$@"