fixed charta indexing

vendor/github.com/docker/cli/cli/config/configfile/file.go

@@ -1,3 +1,6 @@
+// FIXME(thaJeztah): remove once we are a module; the go:build directive prevents go from downgrading language version to go1.16:
+//go:build go1.24
+
 package configfile
 
 import (
@@ -6,6 +9,7 @@ import (
 	"errors"
 	"fmt"
 	"io"
+	"maps"
 	"os"
 	"path/filepath"
 	"strings"
@@ -374,9 +378,7 @@ func getConfiguredCredentialStore(c *ConfigFile, registryHostname string) string
 func (configFile *ConfigFile) GetAllCredentials() (map[string]types.AuthConfig, error) {
 	auths := make(map[string]types.AuthConfig)
 	addAll := func(from map[string]types.AuthConfig) {
-		for reg, ac := range from {
-			auths[reg] = ac
-		}
+		maps.Copy(auths, from)
 	}
 
 	defaultStore := configFile.GetCredentialsStore("")