Update dependencies

vendor/tailscale.com/net/netmon/loghelper.go

@@ -0,0 +1,42 @@
+// Copyright (c) Tailscale Inc & AUTHORS
+// SPDX-License-Identifier: BSD-3-Clause
+
+package netmon
+
+import (
+	"sync"
+
+	"tailscale.com/types/logger"
+)
+
+// LinkChangeLogLimiter returns a new [logger.Logf] that logs each unique
+// format string to the underlying logger only once per major LinkChange event.
+//
+// The returned function should be called when the logger is no longer needed,
+// to release resources from the Monitor.
+func LinkChangeLogLimiter(logf logger.Logf, nm *Monitor) (_ logger.Logf, unregister func()) {
+	var formatSeen sync.Map // map[string]bool
+	unregister = nm.RegisterChangeCallback(func(cd *ChangeDelta) {
+		// If we're in a major change or a time jump, clear the seen map.
+		if cd.Major || cd.TimeJumped {
+			formatSeen.Clear()
+		}
+	})
+
+	return func(format string, args ...any) {
+		// We only store 'true' in the map, so if it's present then it
+		// means we've already logged this format string.
+		_, loaded := formatSeen.LoadOrStore(format, true)
+		if loaded {
+			// TODO(andrew-d): we may still want to log this
+			// message every N minutes (1x/hour?) even if it's been
+			// seen, so that debugging doesn't require searching
+			// back in the logs for an unbounded amount of time.
+			//
+			// See: https://github.com/tailscale/tailscale/issues/13145
+			return
+		}
+
+		logf(format, args...)
+	}, unregister
+}