Refactor: move jobs-related queries to queries_jobs.sql

This makes it easier to later also create `query_workesr.sql`,
`query_meta.sql` etc. so that the sqlc-generated code can follow the
same subdivision as the persistence service code itself.

No functional changes.

internal/manager/persistence/sqlc/query_jobs.sql.go

@@ -1,7 +1,7 @@
 // Code generated by sqlc. DO NOT EDIT.
 // versions:
 //   sqlc v1.25.0
-// source: query.sql
+// source: query_jobs.sql
 
 package sqlc
 

sqlc.yaml

@@ -2,7 +2,7 @@ version: "2"
 sql:
   - engine: "sqlite"
     schema: "internal/manager/persistence/sqlc/schema.sql"
-    queries: "internal/manager/persistence/sqlc/query.sql"
+    queries: "internal/manager/persistence/sqlc/query_jobs.sql"
     gen:
       go:
         out: "internal/manager/persistence/sqlc"