Release 3.6.0
* Add new attributes to `dbus_proxy` methods:
* `no_autostart` - declare a method call that will not trigger the bus to automatically launch the
destination service if it is not already running.
* `allow_interactive_auth` - declare a method call that is allowed to trigger an interactive
prompt for authorization or confirmation from the receiver.
* Generate `Proxy::receive_signal_with_args` wrappers.
* Declare `from_message` public in generated proxy.
* Fix warnings in doc examples.