Also need to import "errors" to use it.

Signed-off-by: Kurt Garloff <kurt@garloff.de>

Author: garloff

pkg/clusterstack/config.go

@@ -18,6 +18,7 @@ limitations under the License.
 package clusterstack
 
 import (
+	"errors"
 	"fmt"
 	"os"
 	"path/filepath"

pkg/clusterstack/version.go

@@ -17,6 +17,7 @@ limitations under the License.
 package clusterstack
 
 import (
+	"errors"
 	"fmt"
 	"regexp"
 	"strconv"

pkg/cmd/create.go

@@ -19,6 +19,7 @@ package cmd
 import (
 	"context"
 	"encoding/json"
+	"errors"
 	"fmt"
 	"os"
 	"path/filepath"

pkg/hash/hash.go

@@ -21,6 +21,7 @@ import (
 	"crypto/sha256"
 	"encoding/base64"
 	"encoding/json"
+	"errors"
 	"fmt"
 	"io"
 	"os"