Brings in a change from upstream to resolve ports to well-known values when comparing Host values to decide whether or not to send the Bearer Authorization header when pushing an image.
Upstream issue is https://github.com/google/go-containerregistry/issues/472.
* dep ensure and use k8schain
* checkpoint
* fix vendoring, stuff builds
* Use k8schain for pushes too
* Use NewNoClient
* update ggcr dep
* Move k8schain usage to image_util.go