Bump ggcr to v0.4.0

go.mod

@@ -3,14 +3,15 @@ module github.com/google/ko
 go 1.14
 
 require (
-	github.com/containerd/stargz-snapshotter/estargz v0.0.0-20201217071531-2b97b583765b
+	github.com/containerd/stargz-snapshotter/estargz v0.0.0-20201223015020-a9a0c2d64694
 	github.com/docker/cli v0.0.0-20200303162255-7d407207c304 // indirect
 	github.com/docker/docker v1.4.2-0.20190924003213-a8608b5b67c7
 	github.com/dprotaso/go-yit v0.0.0-20191028211022-135eb7262960
 	github.com/fsnotify/fsnotify v1.4.9
 	github.com/go-training/helloworld v0.0.0-20200225145412-ba5f4379d78b
 	github.com/google/go-cmp v0.5.2
-	github.com/google/go-containerregistry v0.3.0
+	github.com/google/go-containerregistry v0.4.0
+	github.com/googleapis/gnostic v0.2.2 // indirect
 	github.com/gregjones/httpcache v0.0.0-20190212212710-3befbb6ad0cc // indirect
 	github.com/mattmoor/dep-notify v0.0.0-20190205035814-a45dec370a17
 	github.com/onsi/gomega v1.10.3 // indirect
@@ -19,10 +20,12 @@ require (
 	github.com/spf13/pflag v1.0.5
 	github.com/spf13/viper v1.4.0
 	github.com/stretchr/testify v1.6.1 // indirect
+	golang.org/x/crypto v0.0.0-20201002170205-7f63de1d35b0 // indirect
 	golang.org/x/mod v0.4.0 // indirect
+	golang.org/x/net v0.0.0-20201026091529-146b70c837a4 // indirect
 	golang.org/x/sync v0.0.0-20201207232520-09787c993a3a
 	golang.org/x/text v0.3.4 // indirect
-	golang.org/x/tools v0.0.0-20201221201019-196535612888
+	golang.org/x/tools v0.0.0-20210113180300-f96436850f18
 	gopkg.in/check.v1 v1.0.0-20200902074654-038fdea0a05b // indirect
 	gopkg.in/yaml.v3 v3.0.0-20200615113413-eeeca48fe776
 	gotest.tools/v3 v3.0.2 // indirect
@@ -37,4 +40,5 @@ replace (
 	k8s.io/apimachinery => k8s.io/apimachinery v0.18.8
 	k8s.io/cli-runtime => k8s.io/cli-runtime v0.18.8
 	k8s.io/client-go => k8s.io/client-go v0.18.8
+	k8s.io/code-generator => k8s.io/code-generator v0.18.8
 )