Update dependencies

vendor/tailscale.com/ipn/ipnauth/actor.go

@@ -0,0 +1,47 @@
+// Copyright (c) Tailscale Inc & AUTHORS
+// SPDX-License-Identifier: BSD-3-Clause
+
+package ipnauth
+
+import (
+	"tailscale.com/ipn"
+)
+
+// Actor is any actor using the [ipnlocal.LocalBackend].
+//
+// It typically represents a specific OS user, indicating that an operation
+// is performed on behalf of this user, should be evaluated against their
+// access rights, and performed in their security context when applicable.
+type Actor interface {
+	// UserID returns an OS-specific UID of the user represented by the receiver,
+	// or "" if the actor does not represent a specific user on a multi-user system.
+	// As of 2024-08-27, it is only used on Windows.
+	UserID() ipn.WindowsUserID
+	// Username returns the user name associated with the receiver,
+	// or "" if the actor does not represent a specific user.
+	Username() (string, error)
+
+	// IsLocalSystem reports whether the actor is the Windows' Local System account.
+	//
+	// Deprecated: this method exists for compatibility with the current (as of 2024-08-27)
+	// permission model and will be removed as we progress on tailscale/corp#18342.
+	IsLocalSystem() bool
+
+	// IsLocalAdmin reports whether the actor has administrative access to the
+	// local machine, for whatever that means with respect to the current OS.
+	//
+	// The operatorUID is only used on Unix-like platforms and specifies the ID
+	// of a local user (in the os/user.User.Uid string form) who is allowed to
+	// operate tailscaled without being root or using sudo.
+	//
+	// Deprecated: this method exists for compatibility with the current (as of 2024-08-27)
+	// permission model and will be removed as we progress on tailscale/corp#18342.
+	IsLocalAdmin(operatorUID string) bool
+}
+
+// ActorCloser is an optional interface that might be implemented by an [Actor]
+// that must be closed when done to release the resources.
+type ActorCloser interface {
+	// Close releases resources associated with the receiver.
+	Close() error
+}