Bump Python requirement rq to 2.3.1

requirements.txt

@@ -13,7 +13,7 @@ psycopg[binary]==3.2.4
 python-magic==0.4.27
 python-memcached==1.59
 requests==2.28.2
-rq==1.16.0
+rq==2.3.1
 sentry-sdk==2.7.1
 setproctitle==1.3.2
 SolrClient==0.3.1