feat(warmer): Warmer now supports all registry-related flags (#1499)

which means we can now:
- set up one or more mirrors
- set up registries certificates
- skip TLS verify
- use plain HTTP
using the same set of flags that are defined for the executor

pkg/cache/cache.go

@@ -66,7 +66,7 @@ func (rc *RegistryCache) RetrieveLayer(ck string) (v1.Image, error) {
 		cacheRef.Repository.Registry = newReg
 	}
 
-	tr := util.MakeTransport(rc.Opts, registryName)
+	tr := util.MakeTransport(rc.Opts.RegistryOptions, registryName)
 
 	img, err := remote.Image(cacheRef, remote.WithTransport(tr), remote.WithAuthFromKeychain(creds.GetKeychain()))
 	if err != nil {