Update dependencies

vendor/tailscale.com/ipn/policy/policy.go

@@ -0,0 +1,47 @@
+// Copyright (c) Tailscale Inc & AUTHORS
+// SPDX-License-Identifier: BSD-3-Clause
+
+// Package policy contains various policy decisions that need to be
+// shared between the node client & control server.
+package policy
+
+import (
+	"tailscale.com/tailcfg"
+)
+
+// IsInterestingService reports whether service s on the given operating
+// system (a version.OS value) is an interesting enough port to report
+// to our peer nodes for discovery purposes.
+func IsInterestingService(s tailcfg.Service, os string) bool {
+	switch s.Proto {
+	case tailcfg.PeerAPI4, tailcfg.PeerAPI6, tailcfg.PeerAPIDNS:
+		return true
+	}
+	if s.Proto != tailcfg.TCP {
+		return false
+	}
+	if os != "windows" {
+		// For non-Windows machines, assume all TCP listeners
+		// are interesting enough. We don't see listener spam
+		// there.
+		return true
+	}
+	// Windows has tons of TCP listeners. We need to move to a denylist
+	// model later, but for now we just allow some common ones:
+	switch s.Port {
+	case 22, // ssh
+		80,    // http
+		443,   // https (but no hostname, so little useless)
+		3389,  // rdp
+		5900,  // vnc
+		32400, // plex
+
+		// And now some arbitrary HTTP dev server ports:
+		// Eventually we'll remove this and make all ports
+		// work, once we nicely filter away noisy system
+		// ports.
+		8000, 8080, 8443, 8888:
+		return true
+	}
+	return false
+}