fix(sql): missing workflow_node_run_job default values (#5104)

Author: fsamin

engine/sql/195_fix_workflow_node_job_run_infos.sql

@@ -0,0 +1,9 @@
+-- +migrate Up
+UPDATE workflow_node_run_job SET hatchery_name = '' WHERE hatchery_name is NULL;
+UPDATE workflow_node_run_job SET worker_name = '' WHERE worker_name is NULL;
+
+ALTER TABLE workflow_node_run_job ALTER COLUMN hatchery_name SET DEFAULT '';
+ALTER TABLE workflow_node_run_job ALTER COLUMN worker_name SET DEFAULT '';
+
+-- +migrate Down
+SELECT 1;