[seeder] Prune Tracked Uploads

[patrick-ogrady]

Prune tracked_uploads when we successfully upload some artifact:

battleware/node/src/seeder/actor.rs

Lines 143 to 163 in 51db184

	let mut tracked_uploads = RMap::new();
	info!(cursor, "initial seed cursor");
	// Process messages
	loop {
	let Some(message) = self.mailbox.next().await else {
	warn!("mailbox closed");
	break;
	};
	match message {
	Message::Uploaded { view } => {
	// Decrement uploads outstanding
	uploads_outstanding -= 1;
	// Track uploaded view
	tracked_uploads.insert(view);
	// Update metadata if lowest uploaded has increased
	let Some(end_region) = tracked_uploads.next_gap(boundary).0 else {
	continue;
	};