message: fix materialized view sql
diff: @@ -626,8 +626,8 @@ pub fn migrate(version: Option<Version>, conn: &mut Client) -> CratesfyiResult<(
  CREATE MATERIALIZED VIEW releases_statistics AS
  SELECT
  release_time::date as date,
  - count(*) AS counts,
  - count(CASE WHEN is_library = TRUE AND build_status = FALSE THEN 1 ELSE 0 END) AS failures
  + COUNT(*) AS counts,
  + SUM(CASE WHEN is_library = TRUE AND build_status = FALSE THEN 1 ELSE 0 END) AS failures
  FROM
  releases
  GROUP BY
  