Dedupe expired JTI deletion job (#11503)

Author: YohDeadfall

src/worker/jobs/trustpub/delete_jtis.rs

@@ -13,6 +13,7 @@ pub struct DeleteExpiredJtis;
 
 impl BackgroundJob for DeleteExpiredJtis {
     const JOB_NAME: &'static str = "trustpub::delete_expired_jtis";
+    const DEDUPLICATED: bool = true;
 
     type Context = Arc<Environment>;