fix shell issue and update shebang

Signed-off-by: Carlos Panato <[email protected]>

Author: cpanato

deploy

@@ -1,5 +1,5 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 export KO_DOCKER_REPO="gcr.io/allstar-ossf"
 cont=$(ko publish ./cmd/allstar)
-gcloud app deploy --image-url ${cont}
+gcloud app deploy --image-url "${cont}"