Use "slices" from the standard library

Not "maps" because maps.Keys is not included.

Should not change behavior.

Signed-off-by: Miloslav Trmač <mitr@redhat.com>

cmd/skopeo/sync.go

@@ -10,6 +10,7 @@ import (
 	"path"
 	"path/filepath"
 	"regexp"
+	"slices"
 	"strings"
 
 	"github.com/Masterminds/semver/v3"
@@ -27,7 +28,6 @@ import (
 	"github.com/opencontainers/go-digest"
 	"github.com/sirupsen/logrus"
 	"github.com/spf13/cobra"
-	"golang.org/x/exp/slices"
 	"gopkg.in/yaml.v3"
 )
 

cmd/skopeo/unshare_linux.go

@@ -2,11 +2,11 @@ package main
 
 import (
 	"fmt"
+	"slices"
 
 	"github.com/containers/image/v5/transports/alltransports"
 	"github.com/containers/storage/pkg/unshare"
 	"github.com/syndtr/gocapability/capability"
-	"golang.org/x/exp/slices"
 )
 
 var neededCapabilities = []capability.Cap{