feat(cli): log artifact output path at the end of build

Author: mikonse

packages/debmagic/src/build/mod.rs

@@ -102,7 +102,10 @@ fn run_build(
     let driver = claimed.driver();
 
     let result = build_commands(&claimed).and_then(|()| {
-        crate::output::stage("Exporting artifacts");
+        crate::output::stage(&format!(
+            "Exporting artifacts to {}",
+            request.intent.output_dir.display()
+        ));
         let changes_file =
             artifacts::export_build_artifacts(&environment.work_dir(), &request.intent.output_dir)?;
         if sign.source {