Update dependencies

vendor/tailscale.com/logtail/filch/filch_unix.go

@@ -0,0 +1,30 @@
+// Copyright (c) Tailscale Inc & AUTHORS
+// SPDX-License-Identifier: BSD-3-Clause
+
+//go:build !windows && !wasm && !plan9 && !tamago
+
+package filch
+
+import (
+	"os"
+
+	"golang.org/x/sys/unix"
+)
+
+func saveStderr() (*os.File, error) {
+	fd, err := unix.Dup(stderrFD)
+	if err != nil {
+		return nil, err
+	}
+	return os.NewFile(uintptr(fd), "stderr"), nil
+}
+
+func unsaveStderr(f *os.File) error {
+	err := dup2Stderr(f)
+	f.Close()
+	return err
+}
+
+func dup2Stderr(f *os.File) error {
+	return unix.Dup2(int(f.Fd()), stderrFD)
+}