Update dependencies

vendor/tailscale.com/omit/omit.go

@@ -0,0 +1,12 @@
+// Copyright (c) Tailscale Inc & AUTHORS
+// SPDX-License-Identifier: BSD-3-Clause
+
+// Package omit provides consts to access Tailscale ts_omit_FOO build tags.
+// They're often more convenient to eliminate some away locally with a const
+// rather than using build tags.
+package omit
+
+import "errors"
+
+// Err is an error that can be returned by functions in this package.
+var Err = errors.New("feature not linked into binary per ts_omit build tag")