chore: checkpoint before Python removal

vendor/indicatif/examples/slow.rs

@@ -0,0 +1,12 @@
+use indicatif::{ProgressBar, ProgressStyle};
+use std::time::Duration;
+
+fn main() {
+    let progress =
+        ProgressBar::new(10).with_style(ProgressStyle::default_bar().progress_chars("🔐🔑🕓"));
+    for _ in 0..10 {
+        progress.inc(1);
+        std::thread::sleep(Duration::from_secs(1));
+    }
+    progress.finish();
+}