feat: reduce report page auto-refresh interval to 1 minute — radicle-ci-broker

Signed-off-by: Lars Wirzenius liw@liw.fi

 const FAILURE_RSS: &str = "failed.rss";
 const UNFINISHED_RSS: &str = "unfinished.rss";
 const CSS: &str = include_str!("radicle-ci.css");
 const REFERESH_INTERVAL: &str = "300";
 const REFERESH_INTERVAL: &str = "60";
 const STATUS_JSON: &str = "status.json";
 /// All possible errors returned from the status page module.