bump gotest.tools v3.0.1 for compatibility with Go 1.14

full diff: https://github.com/gotestyourself/gotest.tools/compare/v2.3.0...v3.0.1

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>

cli/command/manifest/annotate_test.go

@@ -5,9 +5,9 @@ import (
 	"testing"
 
 	"github.com/docker/cli/internal/test"
-	"gotest.tools/assert"
-	is "gotest.tools/assert/cmp"
-	"gotest.tools/golden"
+	"gotest.tools/v3/assert"
+	is "gotest.tools/v3/assert/cmp"
+	"gotest.tools/v3/golden"
 )
 
 func TestManifestAnnotateError(t *testing.T) {

cli/command/manifest/create_test.go

@@ -9,9 +9,9 @@ import (
 	"github.com/docker/cli/internal/test"
 	"github.com/docker/distribution/reference"
 	"github.com/pkg/errors"
-	"gotest.tools/assert"
-	is "gotest.tools/assert/cmp"
-	"gotest.tools/golden"
+	"gotest.tools/v3/assert"
+	is "gotest.tools/v3/assert/cmp"
+	"gotest.tools/v3/golden"
 )
 
 func TestManifestCreateErrors(t *testing.T) {

cli/command/manifest/inspect_test.go

@@ -16,9 +16,9 @@ import (
 	digest "github.com/opencontainers/go-digest"
 	ocispec "github.com/opencontainers/image-spec/specs-go/v1"
 	"github.com/pkg/errors"
-	"gotest.tools/assert"
-	is "gotest.tools/assert/cmp"
-	"gotest.tools/golden"
+	"gotest.tools/v3/assert"
+	is "gotest.tools/v3/assert/cmp"
+	"gotest.tools/v3/golden"
 )
 
 func newTempManifestStore(t *testing.T) (store.Store, func()) {

cli/command/manifest/push_test.go

@@ -9,7 +9,7 @@ import (
 	"github.com/docker/cli/internal/test"
 	"github.com/docker/distribution/reference"
 	"github.com/pkg/errors"
-	"gotest.tools/assert"
+	"gotest.tools/v3/assert"
 )
 
 func newFakeRegistryClient() *fakeRegistryClient {