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/game_of_life/Cargo.toml

@@ -6,8 +6,10 @@ edition = "2021"
 publish = false
 
 [dependencies]
-iced = { path = "../..", features = ["canvas", "tokio", "debug"] }
-tokio = { version = "1.0", features = ["sync"] }
+iced.workspace = true
+iced.features = ["debug", "canvas", "tokio"]
+
 itertools = "0.9"
-rustc-hash = "1.1"
-env_logger = "0.10"
+rustc-hash.workspace = true
+tokio = { workspace = true, features = ["sync"] }
+tracing-subscriber = "0.3"

examples/game_of_life/src/main.rs

@@ -18,7 +18,7 @@ use iced::{
 use std::time::{Duration, Instant};
 
 pub fn main() -> iced::Result {
-    env_logger::builder().format_timestamp(None).init();
+    tracing_subscriber::fmt::init();
 
     GameOfLife::run(Settings {
         antialiasing: true,