Use maps.Copy

Signed-off-by: Kir Kolyshkin <kolyshkin@gmail.com>

internal/config/convert.go

@@ -1,6 +1,7 @@
 package config
 
 import (
+	"maps"
 	"slices"
 
 	"github.com/containers/image/v5/manifest"
@@ -25,9 +26,7 @@ func Schema2ConfigFromGoDockerclientConfig(config *dockerclient.Config) *manifes
 		}
 	}
 	labels := make(map[string]string)
-	for k, v := range config.Labels {
-		labels[k] = v
-	}
+	maps.Copy(labels, config.Labels)
 	volumes := make(map[string]struct{})
 	for v := range config.Volumes {
 		volumes[v] = struct{}{}
@@ -82,9 +81,7 @@ func GoDockerclientConfigFromSchema2Config(s2config *manifest.Schema2Config) *do
 		}
 	}
 	labels := make(map[string]string)
-	for k, v := range s2config.Labels {
-		labels[k] = v
-	}
+	maps.Copy(labels, s2config.Labels)
 	volumes := make(map[string]struct{})
 	for v := range s2config.Volumes {
 		volumes[v] = struct{}{}