Replace deprecated macro dbus_proxy and dbus_interface

The latest version of zbus uses the deprecated macro `dbus_proxy`,
replace with `#[proxy()]`.
For deprecated macro `dbus_interface`, replace with `#[interface()]`.

src/cli/ex.rs

@@ -4,7 +4,7 @@ use super::ensure_user;
 use anyhow::Result;
 use clap::Subcommand;
 use fn_error_context::context;
-use zbus::dbus_proxy;
+use zbus::proxy;
 
 #[derive(Debug, Subcommand)]
 pub enum Cmd {
@@ -44,7 +44,7 @@ impl Cmd {
     }
 }
 
-#[dbus_proxy(
+#[proxy(
     interface = "org.coreos.zincati.Experimental",
     default_service = "org.coreos.zincati",
     default_path = "/org/coreos/zincati"

src/dbus/experimental.rs

@@ -4,14 +4,14 @@ use crate::update_agent::{LastRefresh, UpdateAgent};
 use actix::Addr;
 use futures::prelude::*;
 use tokio::runtime::Runtime;
-use zbus::{dbus_interface, fdo};
+use zbus::{interface, fdo};
 
 /// Experimental interface for testing.
 pub(crate) struct Experimental {
     pub(crate) agent_addr: Addr<UpdateAgent>,
 }
 
-#[dbus_interface(name = "org.coreos.zincati.Experimental")]
+#[interface(name = "org.coreos.zincati.Experimental")]
 impl Experimental {
     /// Just a test method.
     fn moo(&self, talkative: bool) -> String {