cli/command/manifest: use errors.Join

Use stdlib multi-errors instead of creating our own

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

Author: thaJeztah

cli/command/manifest/rm.go

@@ -2,12 +2,11 @@ package manifest
 
 import (
 	"context"
-	"strings"
+	"errors"
 
 	"github.com/docker/cli/cli"
 	"github.com/docker/cli/cli/command"
 	manifeststore "github.com/docker/cli/cli/manifest/store"
-	"github.com/pkg/errors"
 	"github.com/spf13/cobra"
 )
 
@@ -25,28 +24,25 @@ func newRmManifestListCommand(dockerCLI command.Cli) *cobra.Command {
 }
 
 func runRemove(ctx context.Context, store manifeststore.Store, targets []string) error {
-	var errs []string
+	var errs []error
 	for _, target := range targets {
 		if ctx.Err() != nil {
 			return ctx.Err()
 		}
 		targetRef, err := normalizeReference(target)
 		if err != nil {
-			errs = append(errs, err.Error())
+			errs = append(errs, err)
 			continue
 		}
 		_, err = store.GetList(targetRef)
 		if err != nil {
-			errs = append(errs, err.Error())
+			errs = append(errs, err)
 			continue
 		}
 		err = store.Remove(targetRef)
 		if err != nil {
-			errs = append(errs, err.Error())
+			errs = append(errs, err)
 		}
 	}
-	if len(errs) > 0 {
-		return errors.New(strings.Join(errs, "\n"))
-	}
-	return nil
+	return errors.Join(errs...)
 }