``` * use go 1.17 semantics in go.mod * pin tonistiigi/fsutil dep to match docker/docker's dep go get -u ./... go mod vendor ```
By doing so it will fix issues met when mixing source/remote registry Close #808
* Vendor changes for go-containerregistry switch. * Manual changes for go-containerregistry switch. The biggest change is refactoring the tarball unpacking. * Pull more of container-diff out. * More vendor removals. * More unit tests.