Replace logging crate pretty_env_logger by tracing_subscriber::fmt

src/garage/main.rs

@@ -59,7 +59,7 @@ async fn main() {
 	if std::env::var("RUST_LOG").is_err() {
 		std::env::set_var("RUST_LOG", "netapp=info,garage=info")
 	}
-	pretty_env_logger::init();
+	tracing_subscriber::fmt::init();
 	sodiumoxide::init().expect("Unable to init sodiumoxide");
 
 	// Abort on panic (same behavior as in Go)