IO-2950 Add subscription using view instead of variable.

hasura/migrations/1726773072213_run_sql_migration/up.sql

@@ -0,0 +1,9 @@
+CREATE
+OR REPLACE VIEW "public"."jobs_inproduction" AS
+SELECT
+  j.id,
+  j.updated_at
+FROM
+  jobs j
+WHERE
+j.inproduction=true;