bump spectro for iatl logging, add env_logger and init

Cargo.toml

@@ -19,6 +19,7 @@ taylor = { git = "https://github.com/ntBre/taylor" }
 toml = "0.8.10"
 rustc-hash = "1.1.0"
 clap = { version = "4.5.0", features = ["derive"] }
+env_logger = "0.11.3"
 
 [dev-dependencies]
 approx = "0.5.1"

src/main.rs

@@ -55,6 +55,7 @@ struct Args {
 use spectro::{Output, Spectro};
 
 fn main() -> Result<(), std::io::Error> {
+    env_logger::init();
     let args = Args::parse();
     if args.version {
         println!("version: {}", version());