Set execute bit for .spin/rails/prepare-application (#1586)
Set execute bit for .spin/rails/prepare-application (#1586)

Co-authored-by: Andy Waite <f2210d97624dd288980d30ba6f1309db729ce589@users.noreply.github.com>
Shopify/shopify_app,Shopify/shopify_app,Shopify/shopify_app,Shopify/shopify_app