chore(cli-clap): or at least I hope chore is the right conventional commit type to use - switch println! to a tracing invocation (to verify that the tracing infrastructure works)

cli-clap/src/lib.rs

@@ -1,3 +1,4 @@
 pub fn main() {
-    println!("Hello, world!");
+    #[cfg(feature = "tracing")]
+    tracing::info!("Hello, world!");
 }