Increase the number of finished runs shown in the status page

To help debugging recent failures.

Author: Kobzol

site/src/request_handlers/status_page.rs

@@ -8,7 +8,7 @@ use crate::load::SiteCtxt;
 use database::{ArtifactId, Lookup};
 
 // How many historical (finished) runs should be returned from the status API.
-const FINISHED_RUN_COUNT: u64 = 5;
+const FINISHED_RUN_COUNT: u64 = 25;
 
 pub async fn handle_status_page(ctxt: Arc<SiteCtxt>) -> status::Response {
     let missing = ctxt.missing_commits().await;