update vendor/ dir to latest w/o heroku, moby

had to lock a lot of things in place

vendor/github.com/fsouza/go-dockerclient/client_unix_test.go

@@ -22,6 +22,7 @@ const (
 )
 
 func TestNewTSLAPIClientUnixEndpoint(t *testing.T) {
+	t.Parallel()
 	srv, cleanup, err := newNativeServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
 		w.Write([]byte("ok"))
 	}))