Use workspace dependencies and package inheritance

We are also taking this as a chance to synchronize
the versions of all the crates! Because of this, we
will skip the `0.11` version.

examples/multitouch/Cargo.toml

@@ -6,7 +6,8 @@ edition = "2021"
 publish = false
 
 [dependencies]
-iced = { path = "../..", features = ["canvas", "tokio", "debug"] }
-tokio = { version = "1.0", features = ["sync"] }
-env_logger = "0.10"
+iced.workspace = true
+iced.features = ["debug", "canvas", "tokio"]
+
+tracing-subscriber = "0.3"
 voronator = "0.2"

examples/multitouch/src/main.rs

@@ -13,7 +13,7 @@ use iced::{
 use std::collections::HashMap;
 
 pub fn main() -> iced::Result {
-    env_logger::builder().format_timestamp(None).init();
+    tracing_subscriber::fmt::init();
 
     Multitouch::run(Settings {
         antialiasing: true,