fix: allow lines without comments

src/main.rs

@@ -143,7 +143,7 @@ async fn main() -> Result<()> {
                     let l = if let Some((pr, _)) = l.split_once("#") {
                         pr.parse::<u32>()?
                     } else {
-                        bail!("Could not parse line")
+                        l.parse::<u32>()?
                     };
                     let pr = get_pr(l, &client).await?;
                     println!("Fetching diff for PR #{}: {}", l, pr.title);