🔧 Use crane.Insecure while checking image availability

As those checks are not consuming any digest, we just use them to assess
if we need to build or not certain packages. The backend will refuse the
image if not configured appropriately

pkg/compiler/backend/common.go

@@ -29,7 +29,9 @@ const (
 )
 
 func imageAvailable(image string) bool {
-	_, err := crane.Digest(image)
+	// We use crane.insecure as we just check if the image is available
+	// It's the daemon duty to use it or not based on the host settings
+	_, err := crane.Digest(image, crane.Insecure)
 	return err == nil
 }