Vendor in latest containers/buildah

Pull in changes to pkg/secrets/secrets.go that adds the
logic to disable fips mode if a pod/container has a
label set.

Signed-off-by: Urvashi Mohnani <umohnani@redhat.com>

vendor/github.com/containers/buildah/pkg/cli/common.go

@@ -7,7 +7,6 @@ package cli
 import (
 	"fmt"
 	"os"
-	"path/filepath"
 	"runtime"
 	"strings"
 
@@ -270,9 +269,5 @@ func GetDefaultAuthFile() string {
 	if authfile != "" {
 		return authfile
 	}
-	runtimeDir := os.Getenv("XDG_RUNTIME_DIR")
-	if runtimeDir != "" {
-		return filepath.Join(runtimeDir, "containers/auth.json")
-	}
 	return ""
 }